diff --git a/.gitignore b/.gitignore
index 6553964..a6bb49f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -109,6 +109,7 @@ _TeamCity*
 _NCrunch_*
 .*crunch*.local.xml
 nCrunchTemp_*
+*ncrunchsolution.user
 
 # MightyMoose
 *.mm.*
diff --git a/AstroMath.UnitTests/AstroMath.UnitTests.csproj b/AstroMath.UnitTests/AstroMath.UnitTests.csproj
index 9f778de..9457f57 100644
--- a/AstroMath.UnitTests/AstroMath.UnitTests.csproj
+++ b/AstroMath.UnitTests/AstroMath.UnitTests.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.12.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" />
+  <Import Project="..\packages\NUnit.3.13.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -54,22 +54,25 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.1\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.13.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.13.0\lib\net45\Moq.dll</HintPath>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.12.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.12.0\lib\net45\nunit.framework.dll</HintPath>
+    <Reference Include="Moq, Version=4.15.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.15.2\lib\net45\Moq.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework, Version=3.13.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.13.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.6.0\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.5.0.0\lib\net45\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.3\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -97,6 +100,6 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.12.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.0\build\NUnit.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/AstroMath.UnitTests/AstroMathsUnitTests.cs b/AstroMath.UnitTests/AstroMathsUnitTests.cs
index 489c873..2e4e37c 100644
--- a/AstroMath.UnitTests/AstroMathsUnitTests.cs
+++ b/AstroMath.UnitTests/AstroMathsUnitTests.cs
@@ -18,14 +18,14 @@ namespace AstroMath.UnitTests
         [Test]
         public void DegreesToRadians()
         {
-            var radians = _astroMath.DegreesToRadians(90);
+            var radians = 90.0.DegreesToRadians();
             Assert.That(radians, Is.EqualTo(1.5707963267948966));
         }
 
         [Test]
         public void RadiansToDegrees()
         {
-            var degrees = _astroMath.RadiansToDegrees(1.5707963267948966);
+            var degrees = 1.5707963267948966.RadiansToDegrees();
             Assert.That(degrees, Is.EqualTo(90));
         }
 
@@ -34,7 +34,7 @@ namespace AstroMath.UnitTests
         public void DateTimeToDecimalHours_book()
         {
             DateTime dateTime = new DateTime(2019, 05, 18, 18, 31, 27, DateTimeKind.Utc);
-            var decimalHours = _astroMath.DateTimeToDecimalHours(dateTime);
+            var decimalHours = dateTime.DateTimeToDecimalHours();
 
             Assert.That(decimalHours, Is.EqualTo(18.524166666666666));
         }
@@ -43,7 +43,7 @@ namespace AstroMath.UnitTests
         public void DateTimeToDecimalHours()
         {
             DateTime dateTime = new DateTime(2019, 05, 18, 22, 26, 15, DateTimeKind.Utc);
-            var decimalHours = _astroMath.DateTimeToDecimalHours(dateTime);
+            var decimalHours = dateTime.DateTimeToDecimalHours();
 
             Assert.That(decimalHours, Is.EqualTo(22.4375));
         }
@@ -52,7 +52,7 @@ namespace AstroMath.UnitTests
         public void UTtoGST_book()
         {
             DateTime dateTime = new DateTime(1980, 04, 22, 14, 36, 51, 670, DateTimeKind.Utc);
-            double gst = _astroMath.UTtoGst(dateTime);
+            double gst = dateTime.UTtoGst();
 
             Assert.That(gst, Is.EqualTo(4.667932706211154));
         }
@@ -61,7 +61,7 @@ namespace AstroMath.UnitTests
         public void UTtoGst()
         {
             DateTime dateTime = new DateTime(2019, 05, 18, 22, 26, 15, DateTimeKind.Utc);
-            double gst = _astroMath.UTtoGst(dateTime);
+            double gst = dateTime.UTtoGst();
 
             Assert.That(gst, Is.EqualTo(14.191879687876451));
         }
diff --git a/AstroMath.UnitTests/app.config b/AstroMath.UnitTests/app.config
index 319783c..fe20587 100644
--- a/AstroMath.UnitTests/app.config
+++ b/AstroMath.UnitTests/app.config
@@ -8,7 +8,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.5.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
diff --git a/AstroMath.UnitTests/packages.config b/AstroMath.UnitTests/packages.config
index 2b99214..2bd4fbf 100644
--- a/AstroMath.UnitTests/packages.config
+++ b/AstroMath.UnitTests/packages.config
@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
-  <package id="Moq" version="4.13.0" targetFramework="net472" />
-  <package id="NUnit" version="3.12.0" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.6.0" targetFramework="net472" />
-  <package id="System.Threading.Tasks.Extensions" version="4.5.3" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
+  <package id="Moq" version="4.15.2" targetFramework="net472" />
+  <package id="NUnit" version="3.13.0" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/FocuserTestConsole/FocuserTestConsole.csproj b/FocuserTestConsole/FocuserTestConsole.csproj
index 8818966..a0e33a3 100644
--- a/FocuserTestConsole/FocuserTestConsole.csproj
+++ b/FocuserTestConsole/FocuserTestConsole.csproj
@@ -59,6 +59,9 @@
   <ItemGroup>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -72,6 +75,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
+    <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/FocuserTestConsole/packages.config b/FocuserTestConsole/packages.config
new file mode 100644
index 0000000..97cf0c3
--- /dev/null
+++ b/FocuserTestConsole/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net45" />
+</packages>
\ No newline at end of file
diff --git a/Meade.net.Focuser.UnitTests/FocuserUnitTests.cs b/Meade.net.Focuser.UnitTests/FocuserUnitTests.cs
index 4fab074..2ba4e76 100644
--- a/Meade.net.Focuser.UnitTests/FocuserUnitTests.cs
+++ b/Meade.net.Focuser.UnitTests/FocuserUnitTests.cs
@@ -28,7 +28,8 @@ namespace Meade.net.Focuser.UnitTests
                 TraceLogger = false,
                 ComPort = "TestCom1",
                 GuideRateArcSecondsPerSecond = 1.23,
-                Precision = "Unchanged"
+                Precision = "Unchanged",
+                GuidingStyle = "Auto"
             };
 
             _utilMock = new Mock<IUtil>();
@@ -313,7 +314,6 @@ namespace Meade.net.Focuser.UnitTests
             _focuser.Halt();
 
             _sharedResourcesWrapperMock.Verify( x => x.SendBlind(":FQ#"), Times.AtLeastOnce);
-            _utilMock.Verify( x => x.WaitForMilliseconds(250), Times.AtLeastOnce);
         }
 
         [Test]
@@ -395,27 +395,58 @@ namespace Meade.net.Focuser.UnitTests
         [TestCase(-200)]
         public void Move_WhenIncrementIsNot0_ThenMovesFocuserAndStopsFocuser( int position)
         {
+            _profileProperties.BacklashCompensation = 0;
+
             ConnectFocuser();
 
             _focuser.Move(position);
 
             if (position < 0)
             {
-                _sharedResourcesWrapperMock.Verify( x => x.SendBlind("#:F-#"), Times.AtLeastOnce);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:F+#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify( x => x.SendBlind(":F-#"), Times.Once);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F+#"), Times.Never);
             }
             else
             {
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:F-#"), Times.Never);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:F+#"), Times.AtLeastOnce);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F-#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F+#"), Times.Once);
             }
 
             _sharedResourcesWrapperMock.Verify( x => x.Lock(It.IsAny<Action>()), Times.Once);
 
-            _utilMock.Verify(x => x.WaitForMilliseconds(250), Times.AtLeastOnce);
-
+            _utilMock.Verify(x => x.WaitForMilliseconds(Math.Abs(position)), Times.Once);
+            _utilMock.Verify(x => x.WaitForMilliseconds(Math.Abs(_profileProperties.BacklashCompensation)), Times.Never);
             _utilMock.Verify(x => x.WaitForMilliseconds(100), Times.Once());
-            _utilMock.Verify(x => x.WaitForMilliseconds(1000), Times.Once());
+        }
+
+        [TestCase(200)]
+        [TestCase(-200)]
+        public void Move_WhenIncrementIsNot0_ThenMovesFocuserAndStopsFocuserWithBacklashCompensation(int position)
+        {
+            _profileProperties.BacklashCompensation = 3000;
+
+            ConnectFocuser();
+
+            _focuser.Move(position);
+
+            if (position < 0)
+            {
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F-#"), Times.Once);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F+#"), Times.Never);
+                _utilMock.Verify(x => x.WaitForMilliseconds(Math.Abs(position)), Times.Once);
+                _utilMock.Verify(x => x.WaitForMilliseconds(Math.Abs(_profileProperties.BacklashCompensation)), Times.Never);
+                _utilMock.Verify(x => x.WaitForMilliseconds(100), Times.Exactly(1));
+            }
+            else
+            {
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F-#"), Times.Once);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":F+#"), Times.Once);
+                _utilMock.Verify(x => x.WaitForMilliseconds(Math.Abs(position) + _profileProperties.BacklashCompensation), Times.Once);
+                _utilMock.Verify(x => x.WaitForMilliseconds(_profileProperties.BacklashCompensation), Times.Once);
+                _utilMock.Verify(x => x.WaitForMilliseconds(100), Times.Exactly(2));
+            }
+
+            _sharedResourcesWrapperMock.Verify(x => x.Lock(It.IsAny<Action>()), Times.Once);
         }
 
         [Test]
diff --git a/Meade.net.Focuser.UnitTests/Meade.net.Focuser.UnitTests.csproj b/Meade.net.Focuser.UnitTests/Meade.net.Focuser.UnitTests.csproj
index be4f91f..c47e79d 100644
--- a/Meade.net.Focuser.UnitTests/Meade.net.Focuser.UnitTests.csproj
+++ b/Meade.net.Focuser.UnitTests/Meade.net.Focuser.UnitTests.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.12.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" />
+  <Import Project="..\packages\NUnit.3.13.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -36,55 +36,58 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
     </Reference>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.1\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.13.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.13.0\lib\net45\Moq.dll</HintPath>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.12.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.12.0\lib\net45\nunit.framework.dll</HintPath>
+    <Reference Include="Moq, Version=4.15.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.15.2\lib\net45\Moq.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework, Version=3.13.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.13.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.6.0\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.5.0.0\lib\net45\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.3\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -117,6 +120,6 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.12.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.0\build\NUnit.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/Meade.net.Focuser.UnitTests/app.config b/Meade.net.Focuser.UnitTests/app.config
index 319783c..fe20587 100644
--- a/Meade.net.Focuser.UnitTests/app.config
+++ b/Meade.net.Focuser.UnitTests/app.config
@@ -8,7 +8,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.5.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
diff --git a/Meade.net.Focuser.UnitTests/packages.config b/Meade.net.Focuser.UnitTests/packages.config
index cad1be5..507c431 100644
--- a/Meade.net.Focuser.UnitTests/packages.config
+++ b/Meade.net.Focuser.UnitTests/packages.config
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net472" />
-  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
-  <package id="Moq" version="4.13.0" targetFramework="net472" />
-  <package id="NUnit" version="3.12.0" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.6.0" targetFramework="net472" />
-  <package id="System.Threading.Tasks.Extensions" version="4.5.3" targetFramework="net472" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
+  <package id="Moq" version="4.15.2" targetFramework="net472" />
+  <package id="NUnit" version="3.13.0" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Meade.net.Telescope.UnitTests/Meade.net.Telescope.UnitTests.csproj b/Meade.net.Telescope.UnitTests/Meade.net.Telescope.UnitTests.csproj
index 9484bd1..6c8ab97 100644
--- a/Meade.net.Telescope.UnitTests/Meade.net.Telescope.UnitTests.csproj
+++ b/Meade.net.Telescope.UnitTests/Meade.net.Telescope.UnitTests.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.12.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" />
+  <Import Project="..\packages\NUnit.3.13.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -57,55 +57,58 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
     </Reference>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.1\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.13.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.13.0\lib\net45\Moq.dll</HintPath>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.12.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.12.0\lib\net40\nunit.framework.dll</HintPath>
+    <Reference Include="Moq, Version=4.15.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.15.2\lib\net45\Moq.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework, Version=3.13.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.13.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.6.0\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.5.0.0\lib\net45\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.3\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -137,6 +140,6 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.12.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.0\build\NUnit.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
index 7d5f056..178e0d4 100644
--- a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
+++ b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
@@ -43,7 +43,7 @@ namespace Meade.net.Telescope.UnitTests
             _astroUtilsMock = new Mock<IAstroUtils>();
 
             _sharedResourcesWrapperMock = new Mock<ISharedResourcesWrapper>();
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GZ#")).Returns("DDD*MM’SS");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GZ#")).Returns("DDD*MM’SS");
 
             _sharedResourcesWrapperMock.Setup(x => x.ReadProfile()).Returns(() =>_profileProperties);
             _sharedResourcesWrapperMock.Setup(x => x.Lock(It.IsAny<Action>())).Callback<Action>(action => { action(); });
@@ -67,10 +67,10 @@ namespace Meade.net.Telescope.UnitTests
                 _sharedResourcesWrapperMock.Object, _astroMathsMock.Object);
         }
 
-        private void ConnectTelescope()
+        private void ConnectTelescope(string productName = TelescopeList.Autostar497, string firmwareVersion = TelescopeList.Autostar497_31Ee)
         {
-            _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => TelescopeList.Autostar497);
-            _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => TelescopeList.Autostar497_31Ee);
+            _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => productName);
+            _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => firmwareVersion);
             _telescope.Connected = true;
         }
 
@@ -122,36 +122,36 @@ namespace Meade.net.Telescope.UnitTests
         public void Action_Handbox_ReadDisplay()
         {
             string expectedResult = "test result string";
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:ED#")).Returns(expectedResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":ED#")).Returns(expectedResult);
             _telescope.Connected = true;
 
             
 
             var actualResult = _telescope.Action("handbox", "readdisplay");
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:ED#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":ED#"), Times.Once);
             Assert.That(actualResult, Is.EqualTo(expectedResult));
         }
 
-        [TestCase("enter", "#:EK13#")]
-        [TestCase("mode", "#:EK9#")]
-        [TestCase("longMode", "#:EK11#")]
-        [TestCase("goto", "#:EK24#")]
-        [TestCase("0", "#:EK48#")]
-        [TestCase("1", "#:EK49#")]
-        [TestCase("2", "#:EK50#")]
-        [TestCase("3", "#:EK51#")]
-        [TestCase("4", "#:EK52#")]
-        [TestCase("5", "#:EK53#")]
-        [TestCase("6", "#:EK54#")]
-        [TestCase("7", "#:EK55#")]
-        [TestCase("8", "#:EK56#")]
-        [TestCase("9", "#:EK57#")]
-        [TestCase("up", "#:EK94#")]
-        [TestCase("down", "#:EK118#")]
-        [TestCase("back", "#:EK87#")]
-        [TestCase("forward", "#:EK69#")]
-        [TestCase("?", "#:EK63#")]
+        [TestCase("enter", ":EK13#")]
+        [TestCase("mode", ":EK9#")]
+        [TestCase("longMode", ":EK11#")]
+        [TestCase("goto", ":EK24#")]
+        [TestCase("0", ":EK48#")]
+        [TestCase("1", ":EK49#")]
+        [TestCase("2", ":EK50#")]
+        [TestCase("3", ":EK51#")]
+        [TestCase("4", ":EK52#")]
+        [TestCase("5", ":EK53#")]
+        [TestCase("6", ":EK54#")]
+        [TestCase("7", ":EK55#")]
+        [TestCase("8", ":EK56#")]
+        [TestCase("9", ":EK57#")]
+        [TestCase("up", ":EK94#")]
+        [TestCase("down", ":EK118#")]
+        [TestCase("back", ":EK87#")]
+        [TestCase("forward", ":EK69#")]
+        [TestCase("?", ":EK63#")]
         public void Action_Handbox_WhenCalling_ThenSendsAppropriateBlindCommands(string action, string expectedString)
         {
             ConnectTelescope();
@@ -172,7 +172,7 @@ namespace Meade.net.Telescope.UnitTests
             string parameters = $"select {site}";
             _telescope.Action("site", parameters);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:W{site}#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":W{site}#"), Times.Once);
         }
 
         [TestCase("0")]
@@ -187,10 +187,10 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo($"Site {parameters} not allowed, must be between 1 and 4"));
         }
 
-        [TestCase("1", "#:GM#", "Home")]
-        [TestCase("2", "#:GN#", "Club")]
-        [TestCase("3", "#:GO#", "GPS")]
-        [TestCase("4", "#:GP#", "Parents")]
+        [TestCase("1", ":GM#", "Home")]
+        [TestCase("2", ":GN#", "Club")]
+        [TestCase("3", ":GO#", "GPS")]
+        [TestCase("4", ":GP#", "Parents")]
         public void Action_Site_GetName_WhenCallingWithValidValues_ThenSelectsCorrectSite(string site, string telescopeCommand, string siteName)
         {
             _sharedResourcesWrapperMock.Setup(x => x.SendString(telescopeCommand)).Returns(siteName);
@@ -227,10 +227,10 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(result, Is.EqualTo("4"));
         }
 
-        [TestCase("1", "#:SMHome#", "Home")]
-        [TestCase("2", "#:SNClub#", "Club")]
-        [TestCase("3", "#:SOGPS Site#", "GPS Site")]
-        [TestCase("4", "#:SPParents#", "Parents")]
+        [TestCase("1", ":SMHome#", "Home")]
+        [TestCase("2", ":SNClub#", "Club")]
+        [TestCase("3", ":SOGPS Site#", "GPS Site")]
+        [TestCase("4", ":SPParents#", "Parents")]
         public void Action_Site_SetName_WhenCallingWithValidValues_ThenSelectsCorrectSite(string site, string telescopeCommand, string siteName)
         {
 
@@ -369,8 +369,8 @@ namespace Meade.net.Telescope.UnitTests
 
             if (expectedConnected)
             {
-                _sharedResourcesWrapperMock.Verify(x => x.SendString("#:GZ#"), Times.Once);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendString(":GZ#"), Times.Once);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"), Times.Never);
             }
         }
         
@@ -385,9 +385,9 @@ namespace Meade.net.Telescope.UnitTests
             _telescope.Connected = true;
 
             _sharedResourcesWrapperMock.Verify( x => x.Connect("Serial", It.IsAny<string>(), It.IsAny<ITraceLogger>()), Times.Once);
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:GZ#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":GZ#"), Times.Once);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"),Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"),Times.Once);
         }
 
         [Test]
@@ -401,8 +401,8 @@ namespace Meade.net.Telescope.UnitTests
             _telescope.Connected = true;
 
             _sharedResourcesWrapperMock.Verify(x => x.Connect("Serial", It.IsAny<string>(), It.IsAny<ITraceLogger>()), Times.Once);
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:GZ#"), Times.Never);
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":GZ#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Rg{_profileProperties.GuideRateArcSecondsPerSecond:00.0}#"), Times.Never);
         }
 
 
@@ -422,6 +422,12 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void Connected_Set_SettingFalseWhenTrue_ThenDisconnects()
         {
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
             ConnectTelescope();
             _sharedResourcesWrapperMock.Verify(x => x.Connect(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<ITraceLogger>()), Times.Once);
 
@@ -473,37 +479,37 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SetLongFormatFalse_WhenTelescopeReturnsShortFormat_ThenDoesNothing()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GZ#")).Returns("DDD*MM");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GZ#")).Returns("DDD*MM");
             _telescope.SetLongFormat(false);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:U#"),Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":U#"),Times.Never);
         }
 
         [Test]
         public void SetLongFormatFalse_WhenTelescopeReturnsLongFormat_ThenTogglesPrecision()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GZ#")).Returns("DDD*MM’SS");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GZ#")).Returns("DDD*MM’SS");
             _telescope.SetLongFormat(false);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:U#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":U#"), Times.Once);
         }
 
         [Test]
         public void SetLongFormatTrue_WhenTelescopeReturnsLongFormat_ThenDoesNothing()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GZ#")).Returns("DDD*MM’SS");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GZ#")).Returns("DDD*MM’SS");
             _telescope.SetLongFormat(true);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:U#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":U#"), Times.Never);
         }
 
         [Test]
         public void SetLongFormatTrue_WhenTelescopeReturnsShortFormat_ThenTogglesPrecision()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GZ#")).Returns("DDD*MM");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GZ#")).Returns("DDD*MM");
             _telescope.SetLongFormat(true);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:U#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":U#"), Times.Once);
         }
 
         [Test]
@@ -545,7 +551,7 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.SelectSite(site);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:W{site}#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":W{site}#"), Times.Once);
         }
 
         [Test]
@@ -645,9 +651,9 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Not connected to telescope when trying to execute: AlignmentMode Set"));
         }
 
-        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algAltAz, "#:AA#")]
-        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algPolar, "#:AP#")]
-        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algGermanPolar, "#:AP#")]
+        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algAltAz, ":AA#")]
+        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algPolar, ":AP#")]
+        [TestCase("AUTOSTAR", "43Eg", AlignmentModes.algGermanPolar, ":AP#")]
         public void AlignmentMode_Set_WhenConnected_ThenSendsExpectedCommand(string productName, string firmware, AlignmentModes alignmentMode, string expectedCommand)
         {
             _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(productName);
@@ -815,7 +821,7 @@ namespace Meade.net.Telescope.UnitTests
         {
             _telescope.Connected = true;
 
-            _sharedResourcesWrapperMock.Verify( x => x.SendString("#:P#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify( x => x.SendString(":P#"), Times.Never);
         }
 
         [TestCase("High", false, true)]
@@ -827,7 +833,7 @@ namespace Meade.net.Telescope.UnitTests
             _profileProperties.Precision = desiredPresision;
             var currentPrecision = telescopePrecision;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:P#")).Returns(() =>
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":P#")).Returns(() =>
             {
                 currentPrecision = !currentPrecision;
 
@@ -843,7 +849,7 @@ namespace Meade.net.Telescope.UnitTests
             _telescope.Connected = true;
 
             Assert.That(currentPrecision, Is.EqualTo(finalPrecision));
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:P#"), Times.AtLeastOnce);
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":P#"), Times.AtLeastOnce);
         }
 
         [TestCase("High", false, true)]
@@ -859,7 +865,7 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.Connected = true;
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:P#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":P#"), Times.Never);
         }
 
         [Test]
@@ -947,7 +953,7 @@ namespace Meade.net.Telescope.UnitTests
         {
             var result = _telescope.CanUnpark;
 
-            Assert.That(result, Is.False);
+            Assert.That(result, Is.True);
         }
 
         [Test]
@@ -966,7 +972,7 @@ namespace Meade.net.Telescope.UnitTests
         public void Declination_Get_WhenConnected_ThenReadsValueFromScope(string declincationString)
         {
             var expectedResult = 12.34;
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GD#")).Returns(declincationString);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(declincationString);
             _utilMock.Setup(x => x.DMSToDegrees(declincationString)).Returns(expectedResult);
 
             ConnectTelescope();
@@ -978,18 +984,22 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void Declination_Get_WhenConnected_ThenReturnsExpectedResult()
         {
-            var telescopeRaResult = "s12*34’56";
+            var telescopeDecResult = "s12*34’56";
             var dmsResult = 1.2;
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.3;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GD#")).Returns(telescopeRaResult);
-            _utilMock.Setup(x => x.DMSToDegrees(telescopeRaResult)).Returns(dmsResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(dmsResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
 
             ConnectTelescope();
 
             var result = _telescope.Declination;
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:GD#"), Times.Exactly(2));
-            _utilMock.Verify(x => x.DMSToDegrees(telescopeRaResult), Times.Exactly(2));
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":GD#"), Times.Exactly(2));
+            _utilMock.Verify(x => x.DMSToDegrees(telescopeDecResult), Times.Exactly(2));
 
             Assert.That(result, Is.EqualTo(dmsResult));
         }
@@ -1102,7 +1112,7 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.GuideRateDeclination = newGuideRate;
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Rg01.2#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Rg01.2#"), Times.Once);
 
             Assert.That(_telescope.GuideRateDeclination, Is.EqualTo(newGuideRate));
         }
@@ -1135,7 +1145,7 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.GuideRateRightAscension = newGuideRate;
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Rg01.2#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Rg01.2#"), Times.Once);
 
             Assert.That(_telescope.GuideRateDeclination, Is.EqualTo(newGuideRate));
         }
@@ -1157,23 +1167,23 @@ namespace Meade.net.Telescope.UnitTests
         }
 
         [TestCase( 0, "", TelescopeAxes.axisPrimary)]
-        [TestCase( 1, "#:RG#", TelescopeAxes.axisPrimary)]
-        [TestCase(-1, "#:RG#", TelescopeAxes.axisPrimary)]
-        [TestCase( 2, "#:RC#", TelescopeAxes.axisPrimary)]
-        [TestCase(-2, "#:RC#", TelescopeAxes.axisPrimary)]
-        [TestCase( 3, "#:RM#", TelescopeAxes.axisPrimary)]
-        [TestCase(-3, "#:RM#", TelescopeAxes.axisPrimary)]
-        [TestCase( 4, "#:RS#", TelescopeAxes.axisPrimary)]
-        [TestCase(-4, "#:RS#", TelescopeAxes.axisPrimary)]
+        [TestCase( 1, ":RG#", TelescopeAxes.axisPrimary)]
+        [TestCase(-1, ":RG#", TelescopeAxes.axisPrimary)]
+        [TestCase( 2, ":RC#", TelescopeAxes.axisPrimary)]
+        [TestCase(-2, ":RC#", TelescopeAxes.axisPrimary)]
+        [TestCase( 3, ":RM#", TelescopeAxes.axisPrimary)]
+        [TestCase(-3, ":RM#", TelescopeAxes.axisPrimary)]
+        [TestCase( 4, ":RS#", TelescopeAxes.axisPrimary)]
+        [TestCase(-4, ":RS#", TelescopeAxes.axisPrimary)]
         [TestCase(0, "", TelescopeAxes.axisSecondary)]
-        [TestCase(1, "#:RG#", TelescopeAxes.axisSecondary)]
-        [TestCase(-1, "#:RG#", TelescopeAxes.axisSecondary)]
-        [TestCase(2, "#:RC#", TelescopeAxes.axisSecondary)]
-        [TestCase(-2, "#:RC#", TelescopeAxes.axisSecondary)]
-        [TestCase(3, "#:RM#", TelescopeAxes.axisSecondary)]
-        [TestCase(-3, "#:RM#", TelescopeAxes.axisSecondary)]
-        [TestCase(4, "#:RS#", TelescopeAxes.axisSecondary)]
-        [TestCase(-4, "#:RS#", TelescopeAxes.axisSecondary)]
+        [TestCase(1, ":RG#", TelescopeAxes.axisSecondary)]
+        [TestCase(-1, ":RG#", TelescopeAxes.axisSecondary)]
+        [TestCase(2, ":RC#", TelescopeAxes.axisSecondary)]
+        [TestCase(-2, ":RC#", TelescopeAxes.axisSecondary)]
+        [TestCase(3, ":RM#", TelescopeAxes.axisSecondary)]
+        [TestCase(-3, ":RM#", TelescopeAxes.axisSecondary)]
+        [TestCase(4, ":RS#", TelescopeAxes.axisSecondary)]
+        [TestCase(-4, ":RS#", TelescopeAxes.axisSecondary)]
         public void MoveAxis_WhenConnected_ThenExecutesCorrectCommandSequence(double rate, string slewRateCommand, TelescopeAxes axis)
         {
             ConnectTelescope();
@@ -1184,10 +1194,10 @@ namespace Meade.net.Telescope.UnitTests
                 _sharedResourcesWrapperMock.Verify( x => x.SendBlind(slewRateCommand), Times.Once);
             else
             {
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RG#"), Times.Never);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RC#"), Times.Never);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RM#"), Times.Never);
-                _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RS#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RG#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RC#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RM#"), Times.Never);
+                _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RS#"), Times.Never);
             }
 
             switch (axis)
@@ -1196,14 +1206,14 @@ namespace Meade.net.Telescope.UnitTests
                     switch (rate.Compare(0))
                     {
                         case ComparisonResult.Equals:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Qe#"), Times.Once);
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Qw#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Qe#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Qw#"), Times.Once);
                             break;
                         case ComparisonResult.Greater:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Me#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Me#"), Times.Once);
                             break;
                         case ComparisonResult.Lower:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Mw#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Mw#"), Times.Once);
                             break;
                     }
                     break;
@@ -1211,14 +1221,14 @@ namespace Meade.net.Telescope.UnitTests
                     switch (rate.Compare(0))
                     {
                         case ComparisonResult.Equals:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Qn#"), Times.Once);
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Qs#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Qn#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Qs#"), Times.Once);
                             break;
                         case ComparisonResult.Greater:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Mn#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Mn#"), Times.Once);
                             break;
                         case ComparisonResult.Lower:
-                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:Ms#"), Times.Once);
+                            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":Ms#"), Times.Once);
                             break;
                     }
                     break;
@@ -1264,11 +1274,11 @@ namespace Meade.net.Telescope.UnitTests
         {
             ConnectTelescope();
             Assert.That(_telescope.AtPark, Is.False);
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:hP#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":hP#"), Times.Never);
 
             _telescope.Park();
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:hP#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":hP#"), Times.Once);
             Assert.That(_telescope.AtPark, Is.True);
         }
 
@@ -1279,7 +1289,7 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.Park();
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:hP#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":hP#"), Times.Once);
             Assert.That(_telescope.AtPark, Is.True);
 
 
@@ -1287,7 +1297,7 @@ namespace Meade.net.Telescope.UnitTests
             _telescope.Park();
 
             //no change from previous state.
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:hP#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":hP#"), Times.Once);
             Assert.That(_telescope.AtPark, Is.True);
         }
 
@@ -1304,6 +1314,12 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth)]
         public void PulseGuide_WhenConnectedAndNewerPulseGuidingAvailable_ThenSendsNewCommandsAndWaits(GuideDirections direction)
         {
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
             var duration = 0;
             ConnectTelescope();
 
@@ -1326,7 +1342,7 @@ namespace Meade.net.Telescope.UnitTests
                     break;
             }
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Mg{d}{duration:0000}#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Mg{d}{duration:0000}#"));
             _utilMock.Verify( x => x.WaitForMilliseconds(duration), Times.Once);
         }
 
@@ -1336,7 +1352,7 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth)]
         public void PulseGuide_WhenSlewingAndPulseGuideAttempted_ThenThrowsExpectedException(GuideDirections direction)
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns("|");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns("|");
 
             var duration = 0;
             ConnectTelescope();
@@ -1352,7 +1368,7 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth, TelescopeAxes.axisSecondary)]
         public void PulseGuide_WhenMovingAxisAndPulseGuideAttempted_ThenThrowsExpectedException(GuideDirections direction, TelescopeAxes axes)
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns("");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns("");
 
             var duration = 0;
             ConnectTelescope();
@@ -1370,6 +1386,16 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth)]
         public void PulseGuide_WhenConnectedAndNewerPulseGuidingNotAvailable_ThenIsSlewingRespondsFalse(GuideDirections direction)
         {
+            var telescopeDecResult = "s12*34’56";
+            var dmsResult = 1.2;
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.3;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(dmsResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
             var duration = 0;
             _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => TelescopeList.Autostar497);
             _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => TelescopeList.Autostar497_30Ee);
@@ -1393,6 +1419,16 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth)]
         public void PulseGuide_WhenConnectedAndNewerPulseGuidingNotAvailable_ThenSendsOldCommandsAndWaits(GuideDirections direction)
         {
+            var telescopeDecResult = "s12*34’56";
+            var dmsResult = 1.2;
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.3;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(dmsResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
             var duration = 0;
             _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => TelescopeList.Autostar497);
             _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => TelescopeList.Autostar497_30Ee);
@@ -1417,10 +1453,10 @@ namespace Meade.net.Telescope.UnitTests
                     break;
             }
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RG#"));
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:M{d}#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RG#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":M{d}#"));
             _utilMock.Verify(x => x.WaitForMilliseconds(duration), Times.Once);
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Q{d}#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Q{d}#"));
         }
 
         [TestCase(GuideDirections.guideEast)]
@@ -1429,6 +1465,12 @@ namespace Meade.net.Telescope.UnitTests
         [TestCase(GuideDirections.guideSouth)]
         public void PulseGuide_WhenConnectedAndNewerPulseGuidingAvailableButDurationTooLong_ThenSendsOldCommandsAndWaits(GuideDirections direction)
         {
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
             var duration = 10000;
             _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => TelescopeList.Autostar497);
             _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => TelescopeList.Autostar497_30Ee);
@@ -1453,10 +1495,10 @@ namespace Meade.net.Telescope.UnitTests
                     break;
             }
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind("#:RG#"));
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:M{d}#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind(":RG#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":M{d}#"));
             _utilMock.Verify(x => x.WaitForMilliseconds(duration), Times.Once);
-            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($"#:Q{d}#"));
+            _sharedResourcesWrapperMock.Verify(x => x.SendBlind($":Q{d}#"));
         }
 
         [Test]
@@ -1476,14 +1518,14 @@ namespace Meade.net.Telescope.UnitTests
             var telescopeRaResult = "HH:MM:SS";
             var hmsResult = 1.2;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GR#")).Returns(telescopeRaResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
             _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
 
             ConnectTelescope();
             
             var result = _telescope.RightAscension;
 
-            _sharedResourcesWrapperMock.Verify( x => x.SendString("#:GR#"), Times.Exactly(2));
+            _sharedResourcesWrapperMock.Verify( x => x.SendString(":GR#"), Times.Exactly(2));
             _utilMock.Verify( x => x.HMSToHours(telescopeRaResult), Times.Exactly(2));
 
             Assert.That(result,Is.EqualTo(hmsResult));
@@ -1537,25 +1579,57 @@ namespace Meade.net.Telescope.UnitTests
         }
 
         [Test]
-        public void SiteElevation_Get_ThenThrowsException()
+        public void SiteElevation_Get_WhenNotConnectedThrowsException()
         {
-            var excpetion = Assert.Throws<PropertyNotImplementedException>(() =>
+            var exception = Assert.Throws<NotConnectedException>(() =>
             {
-                var result = _telescope.SiteElevation;
-                Assert.Fail($"{result} should not have returned");
+                var elevation = _telescope.SiteElevation;
             });
-
-            Assert.That(excpetion.Property, Is.EqualTo("SiteElevation"));
-            Assert.That(excpetion.AccessorSet, Is.False);
+            Assert.That(exception.Message, Is.EqualTo("Not connected to telescope when trying to execute: SiteElevation Get"));
         }
 
         [Test]
-        public void SiteElevation_Set_ThenThrowsException()
+        public void SiteElevation_Get_WhenConnectedReturnsExpectedValue()
         {
-            var excpetion = Assert.Throws<PropertyNotImplementedException>(() => { _telescope.SiteElevation = 0; });
+            double expectedValue = 2000;
 
-            Assert.That(excpetion.Property, Is.EqualTo("SiteElevation"));
-            Assert.That(excpetion.AccessorSet, Is.True);
+            _profileProperties.SiteElevation = expectedValue;
+
+            ConnectTelescope();
+
+            var result = _telescope.SiteElevation;
+            Assert.That(result, Is.EqualTo(expectedValue));
+        }
+
+        [Test]
+        public void SiteElevation_Set_WhenNotConnectedThrowsException()
+        {
+            var exception = Assert.Throws<NotConnectedException>(() =>
+            {
+                _telescope.SiteElevation = 1000;
+            });
+            Assert.That(exception.Message, Is.EqualTo("Not connected to telescope when trying to execute: SiteElevation Set"));
+        }
+
+        [Test]
+        public void SiteElevation_Set_WhenConnectedCanPersistNewValue()
+        {
+            double newElevation = 1000;
+
+            double writtenSiteElevation = 0;
+            _sharedResourcesWrapperMock.Setup(x => x.WriteProfile(It.IsAny<ProfileProperties>())).Callback<ProfileProperties>(
+                profile =>
+                {
+                    writtenSiteElevation = profile.SiteElevation;
+                });
+
+            ConnectTelescope();
+
+            _telescope.SiteElevation = newElevation;
+
+            Assert.That(_telescope.SiteElevation, Is.EqualTo(newElevation));
+            _sharedResourcesWrapperMock.Verify( x => x.WriteProfile(It.IsAny<ProfileProperties>()), Times.Once);
+            Assert.That(writtenSiteElevation, Is.EqualTo(newElevation));
         }
 
         [Test]
@@ -1581,11 +1655,9 @@ namespace Meade.net.Telescope.UnitTests
         }
 
         [Test]
-        public void Unpark_ThenThrowsException()
+        public void Unpark_ThenDoesNotThrowException()
         {
-            var excpetion = Assert.Throws<MethodNotImplementedException>(() => { _telescope.Unpark(); });
-
-            Assert.That(excpetion.Method, Is.EqualTo("Unpark"));
+            Assert.DoesNotThrow(() => { _telescope.Unpark(); });
         }
 
         [Test]
@@ -1605,14 +1677,14 @@ namespace Meade.net.Telescope.UnitTests
             var siteLatitudeString = "testLatString";
             var siteLatitudeValue = 123.45;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:Gt#")).Returns(siteLatitudeString);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":Gt#")).Returns(siteLatitudeString);
             _utilMock.Setup(x => x.DMSToDegrees(siteLatitudeString)).Returns(siteLatitudeValue);
 
             ConnectTelescope();
 
             var result = _telescope.SiteLatitude;
             
-            _sharedResourcesWrapperMock.Verify( x => x.SendString("#:Gt#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify( x => x.SendString(":Gt#"), Times.Once);
 
             Assert.That(result,Is.EqualTo(siteLatitudeValue));
         }
@@ -1655,8 +1727,8 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Failed to set site latitude."));
         }
 
-        [TestCase(-10.5, "#:St-10*30#")]
-        [TestCase(20.75, "#:St+20*45#")]
+        [TestCase(-10.5, ":St-10*30#")]
+        [TestCase(20.75, ":St+20*45#")]
         public void SiteLatitude_Set_WhenValidValues_ThenValueSentToTelescope(double siteLatitude, string expectedCommand)
         {
             _sharedResourcesWrapperMock.Setup(x => x.SendChar(expectedCommand)).Returns("1");
@@ -1680,7 +1752,6 @@ namespace Meade.net.Telescope.UnitTests
         }
 
 
-        //todo figure out if this is right.  don't feel right to me
         [TestCase("5", 5, -5)]
         [TestCase("-5", -5, 5)]
         [TestCase("185", 185, 175)]
@@ -1689,7 +1760,7 @@ namespace Meade.net.Telescope.UnitTests
         {
             var telescopeLongitude = "testLongitude";
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:Gg#")).Returns(telescopeLongitude);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":Gg#")).Returns(telescopeLongitude);
             _utilMock.Setup(x => x.DMSToDegrees(telescopeLongitude)).Returns(telescopeLongitudeValue);
 
             ConnectTelescope();
@@ -1736,7 +1807,7 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Failed to set site longitude."));
         }
 
-        [TestCase(10, "#:Sg350*00#")]
+        [TestCase(10, ":Sg350*00#")]
         public void SiteLongitude_Set_WhenConnectedAndTelescopeFails_ThenThrowsException(double longitude, string expectedCommand)
         {
             _sharedResourcesWrapperMock.Setup(x => x.SendChar(expectedCommand)).Returns("1");
@@ -1768,26 +1839,32 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SyncToTarget_WhenSyncToTargetFails_ThenThrowsException()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:CM#")).Returns(string.Empty);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":CM#")).Returns(string.Empty);
 
             ConnectTelescope();
 
             var exception = Assert.Throws<InvalidOperationException>(() => { _telescope.SyncToTarget(); } );
 
             Assert.That(exception.Message, Is.EqualTo("Unable to perform sync"));
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:CM#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":CM#"), Times.Once);
         }
 
         [Test]
         public void SyncToTarget_WhenSyncToTargetWorks_ThennoExceptionThrown()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:CM#")).Returns(" M31 EX GAL MAG 3.5 SZ178.0'#");
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":CM#")).Returns(" M31 EX GAL MAG 3.5 SZ178.0'#");
 
             ConnectTelescope();
             
             Assert.DoesNotThrow(() => { _telescope.SyncToTarget(); });
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:CM#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":CM#"), Times.Once);
         }
 
         [Test]
@@ -1826,10 +1903,10 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Target declination invalid"));
         }
 
-        [TestCase(-30.5, "-30*30:00", "#:Sd-30*30:00#")]
-        [TestCase(30.5, "30*30:00", "#:Sd+30*30:00#")]
-        [TestCase(-75.25, "-75*15:00", "#:Sd-75*15:00#")]
-        [TestCase(50, "50*00:00", "#:Sd+50*00:00#")]
+        [TestCase(-30.5, "-30*30:00", ":Sd-30*30:00#")]
+        [TestCase(30.5, "30*30:00", ":Sd+30*30:00#")]
+        [TestCase(-75.25, "-75*15:00", ":Sd-75*15:00#")]
+        [TestCase(50, "50*00:00", ":Sd+50*00:00#")]
         public void TargetDeclination_Set_WhenValueOK_ThenSetsNewTargetDeclination( double declination,string decstring, string commandString)
         {
 
@@ -1856,10 +1933,16 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Target not set"));
         }
 
-        [TestCase(50, "50*00:00", "#:Sd+50*00:00#")]
+        [TestCase(50, "50*00:00", ":Sd+50*00:00#")]
         public void TargetDeclination_Get_WhenValueOK_ThenSetsNewTargetDeclination(double declination, string decstring, string commandString)
         {
+            var digitsRA = 2;
+            var telescopeDecResult = "s12*34’56";
+
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(telescopeDecResult);
             _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", 2)).Returns(decstring);
+            _utilMock.Setup(x => x.DMSToDegrees(decstring)).Returns(declination);
+
             _sharedResourcesWrapperMock.Setup(x => x.SendChar(commandString)).Returns("1");
 
             ConnectTelescope();
@@ -1907,8 +1990,8 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Failed to set TargetRightAscension."));
         }
 
-        [TestCase(5.5, "05:30:00", "#:Sr05:30:00#")]
-        [TestCase(10, "10:00:00", "#:Sr10:00:00#")]
+        [TestCase(5.5, "05:30:00", ":Sr05:30:00#")]
+        [TestCase(10, "10:00:00", ":Sr10:00:00#")]
         public void TargetRightAscension_Set_WhenValueOK_ThenSetsNewTargetDeclination(double rightAscension, string hms, string commandString)
         {
             _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", 2)).Returns(hms);
@@ -1934,10 +2017,14 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Target not set"));
         }
 
-        [TestCase(15, "15:00:00", "#:Sr15:00:00#")]
+        [TestCase(15, "15:00:00", ":Sr15:00:00#")]
         public void TargetRightAscension_Get_WhenValueOK_ThenSetsNewTargetDeclination(double rightAscension, string hms, string commandString)
         {
-            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", 2)).Returns(hms);
+            var digitsRA = 2;
+
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", digitsRA)).Returns(hms);
+            _utilMock.Setup(x => x.HMSToHours(hms)).Returns(rightAscension);
+
             _sharedResourcesWrapperMock.Setup(x => x.SendChar(commandString)).Returns("1");
 
             ConnectTelescope();
@@ -1971,8 +2058,8 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Not connected to telescope when trying to execute: TrackingRate Set"));
         }
 
-        [TestCase(DriveRates.driveSidereal, "#:TQ#")]
-        [TestCase(DriveRates.driveLunar, "#:TL#")]
+        [TestCase(DriveRates.driveSidereal, ":TQ#")]
+        [TestCase(DriveRates.driveLunar, ":TL#")]
         public void TrackingRate_Set_WhenConnected_ThenSendsCommandToTelescope(DriveRates rate, string commandString)
         {
             ConnectTelescope();
@@ -2040,9 +2127,9 @@ namespace Meade.net.Telescope.UnitTests
         public void UTCDate_Get_WhenConnected_ThenReturnsUTCDateTime(string telescopeDate, string telescopeTime,
             string telescopeUtcCorrection, int year, int month, int day, int hour, int min, int second)
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GC#")).Returns(telescopeDate);
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GL#")).Returns(telescopeTime);
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns(telescopeUtcCorrection);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GC#")).Returns(telescopeDate);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GL#")).Returns(telescopeTime);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns(telescopeUtcCorrection);
 
             ConnectTelescope();
 
@@ -2075,8 +2162,8 @@ namespace Meade.net.Telescope.UnitTests
 
             var newDate = new DateTime(year, month, day, hour, min, second, DateTimeKind.Local) + utcCorrection;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns(telescopeUtcCorrection);
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:SL{telescopeTime}#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns(telescopeUtcCorrection);
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":SL{telescopeTime}#")).Returns("0");
 
             ConnectTelescope();
 
@@ -2094,9 +2181,9 @@ namespace Meade.net.Telescope.UnitTests
 
             var newDate = new DateTime(year, month, day, hour, min, second, DateTimeKind.Local) + utcCorrection;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns(telescopeUtcCorrection);
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:SL{telescopeTime}#")).Returns("1");
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:SC{newDate:MM/dd/yy}#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns(telescopeUtcCorrection);
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":SL{telescopeTime}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":SC{newDate:MM/dd/yy}#")).Returns("0");
 
             ConnectTelescope();
             
@@ -2116,9 +2203,9 @@ namespace Meade.net.Telescope.UnitTests
 
             var newDate = new DateTime(year, month, day, hour, min, second, DateTimeKind.Local) + utcCorrection;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns(telescopeUtcCorrection);
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:SL{telescopeTime}#")).Returns("1");
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:SC{telescopeDate}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns(telescopeUtcCorrection);
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":SL{telescopeTime}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":SC{telescopeDate}#")).Returns("1");
 
             ConnectTelescope();
 
@@ -2130,23 +2217,59 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SyncToCoordinates_WhenNotConnected_ThenThrowsException()
         {
+            double rightAscension = 5.5;
+            double declination = -30.5;
+            
+            var exception = Assert.Throws<NotConnectedException>(() =>
+            {
+                _telescope.SyncToCoordinates(rightAscension, declination);
+            });
+            
+            Assert.That(exception.Message, Is.EqualTo("Not connected to telescope when trying to execute: SyncToCoordinates"));
+        }
+
+        [Test]
+        public void SyncToCoordinates_WhenConnected_ThenReturnsExpectedResult()
+        {
+            var telescopeDecResult = "s12*34’56";
+            var telescopeRaResult = "HH:MM:SS";
+            //var hmsResult = 1.2;
+
             double rightAscension = 5.5;
             string hms = "05:30:00";
 
             double declination = -30.5;
             string dec = "-30*30:00";
 
-            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", 2)).Returns(hms);
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:Sr{hms}#")).Returns("1");
+            var digitsRA = 2;
 
-            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", 2)).Returns(dec);
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar($"#:Sd{dec}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sr{telescopeRaResult}#")).Returns("1");
+
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", digitsRA)).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(hms)).Returns(rightAscension);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(telescopeDecResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(declination);
+            
+            //_utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+            _utilMock.Setup(x => x.DMSToDegrees(dec)).Returns(declination);
+
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", 2)).Returns(hms);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(dec);
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sr{hms}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sd{dec}#")).Returns("1");
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString($":CM#")).Returns("M31 EX GAL MAG 3.5 SZ178.0'#");
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(rightAscension);
 
             ConnectTelescope();
             
             _telescope.SyncToCoordinates(rightAscension, declination);
 
-            _sharedResourcesWrapperMock.Verify( x => x.SendString("#:CM#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify( x => x.SendString(":CM#"), Times.Once);
             Assert.That(_telescope.TargetRightAscension, Is.EqualTo(rightAscension));
             Assert.That(_telescope.TargetDeclination, Is.EqualTo(declination));
         }
@@ -2158,7 +2281,7 @@ namespace Meade.net.Telescope.UnitTests
 
             Assert.That(result, Is.False);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:D#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":D#"), Times.Never);
         }
 
         [Test]
@@ -2170,13 +2293,13 @@ namespace Meade.net.Telescope.UnitTests
 
             Assert.That(result, Is.False);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:D#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":D#"), Times.Once);
         }
 
         [Test]
         public void Slewing_WhenTelescopeIsSlewing_ThenReturnsTrue()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns("|");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns("|");
 
             ConnectTelescope();
 
@@ -2184,7 +2307,32 @@ namespace Meade.net.Telescope.UnitTests
 
             Assert.That(result, Is.True);
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:D#"),Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":D#"),Times.Once);
+        }
+
+        [TestCase(TelescopeList.LX200CLASSIC,"","|", true)]
+        [TestCase(TelescopeList.LX200CLASSIC, "", "||||||||", true)]
+        [TestCase(TelescopeList.LX200CLASSIC, "", "", false)]
+        //[TestCase(TelescopeList.LX200CLASSIC, "", "[FF][FF][FF][FF][FF][FF][FF][FF][FF][FF][FF][FF][FF][FF]  [FF][FF][FF][FF][FF][FF]", false)]   //The test case below is this same string encoded to return exactly what the telescope will return.
+        [TestCase(TelescopeList.LX200CLASSIC, "", "\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff\x00ff  \x00ff\x00ff\x00ff\x00ff\x00ff\x00ff", true)]
+        [TestCase(TelescopeList.Autostar497, TelescopeList.Autostar497_43Eg, "|", true)]
+        [TestCase(TelescopeList.Autostar497, TelescopeList.Autostar497_43Eg, "", false)]
+        public void Slewing_WhenTelescopeNotSlewing_ThenReturnsFalse(string productName, string firmwareVersion, string response, bool isSlewing)
+        {
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns(response);
+
+            ConnectTelescope(productName, firmwareVersion);
+
+            var result = _telescope.Slewing;
+
+            Assert.That(result, Is.EqualTo(isSlewing));
+
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":D#"), Times.Once);
         }
 
         [TestCase(1, TelescopeAxes.axisPrimary)]
@@ -2200,7 +2348,7 @@ namespace Meade.net.Telescope.UnitTests
             var result = _telescope.Slewing;
 
             Assert.That(result, Is.True);
-            _sharedResourcesWrapperMock.Verify(x => x.SendString("#:D#"), Times.Never);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString(":D#"), Times.Never);
         }
 
 
@@ -2248,7 +2396,7 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SlewToTargetAsync_WhenTargetSetAndSlewIsPossible_ThenAttemptsSlew()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
 
             ConnectTelescope();
 
@@ -2258,13 +2406,13 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.SlewToTargetAsync();
 
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:MS#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":MS#"), Times.Once);
         }
 
         [Test]
         public void SlewToTargetAsync_WhenTargetBelowHorizon_ThenThrowsException()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("1");
             _sharedResourcesWrapperMock.Setup(x => x.ReadTerminated()).Returns("Below horizon");
 
             ConnectTelescope();
@@ -2279,7 +2427,7 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SlewToTargetAsync_WhenTargetBelowElevation_ThenThrowsException()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("2");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("2");
             _sharedResourcesWrapperMock.Setup(x => x.ReadTerminated()).Returns("Above below elevation");
 
             ConnectTelescope();
@@ -2291,6 +2439,21 @@ namespace Meade.net.Telescope.UnitTests
             Assert.That(exception.Message, Is.EqualTo("Above below elevation"));
         }
 
+        [Test]
+        public void SlewToTargetAsync_WhenTelescopeCanHitTripod_ThenThrowsException()
+        {
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("3");
+            _sharedResourcesWrapperMock.Setup(x => x.ReadTerminated()).Returns("the telescope can hit the tripod");
+
+            ConnectTelescope();
+
+            _telescope.TargetRightAscension = 2;
+            _telescope.TargetDeclination = 1;
+
+            var exception = Assert.Throws<InvalidOperationException>(() => { _telescope.SlewToTargetAsync(); });
+            Assert.That(exception.Message, Is.EqualTo("the telescope can hit the tripod"));
+        }
+
         [Test]
         public void SlewToTarget_WhenNotConnected_ThenThrowsException()
         {
@@ -2301,11 +2464,11 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SlewToTarget_WhenSlewing_ThenWaitsForTheSlewToComplete()
         {
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
 
             var slewCounter = 0;
             var iterations = 10;
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns(() =>
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns(() =>
             {
                 slewCounter++;
                 if (slewCounter <= iterations)
@@ -2333,14 +2496,28 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SlewToCoordinatesAsync_WhenCalled_ThenSetsTargetAndSlews()
         {
+            var digitsRA = 2;
+
             var rightAscension = 1;
             var declination = 2;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            var telescopeRaResult = "HH:MM:SS";
+            var telescopeDecResult = "s12*34’56";
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sr{telescopeRaResult}#")).Returns("1");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(rightAscension);
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", digitsRA)).Returns(telescopeRaResult);
+
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(declination);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(telescopeDecResult);
 
             //var slewCounter = 0;
             //var iterations = 10;
-            //_sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns(() =>
+            //_sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns(() =>
             //{
             //    slewCounter++;
             //    if (slewCounter <= iterations)
@@ -2356,7 +2533,7 @@ namespace Meade.net.Telescope.UnitTests
             //_utilMock.Verify(x => x.WaitForMilliseconds(It.IsAny<int>()), Times.Exactly(iterations));
             Assert.That(_telescope.TargetRightAscension, Is.EqualTo(rightAscension));
             Assert.That(_telescope.TargetDeclination, Is.EqualTo(declination));
-            _sharedResourcesWrapperMock.Verify( x => x.SendChar("#:MS#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify( x => x.SendChar(":MS#"), Times.Once);
         }
 
         [Test]
@@ -2372,11 +2549,28 @@ namespace Meade.net.Telescope.UnitTests
             var rightAscension = 1;
             var declination = 2;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            var telescopeDecResult = "s12*34’56";
+            var dmsResult = 1.2;
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 1.3;
+            var digitsRA = 2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GD#")).Returns(telescopeDecResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sr{telescopeRaResult}#")).Returns("1");
+
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", digitsRA)).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(rightAscension);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(dmsResult);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(telescopeDecResult);
+
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
 
             var slewCounter = 0;
             var iterations = 10;
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns(() =>
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns(() =>
             {
                 slewCounter++;
                 if (slewCounter <= iterations)
@@ -2388,8 +2582,8 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.SlewToCoordinates(rightAscension, declination);
             Assert.That(_telescope.TargetRightAscension, Is.EqualTo(rightAscension));
-            Assert.That(_telescope.TargetDeclination, Is.EqualTo(declination));
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:MS#"), Times.Once);
+            Assert.That(_telescope.TargetDeclination, Is.EqualTo(dmsResult));
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":MS#"), Times.Once);
 
             _utilMock.Verify(x => x.WaitForMilliseconds(It.IsAny<int>()), Times.Exactly(iterations));
         }
@@ -2445,15 +2639,26 @@ namespace Meade.net.Telescope.UnitTests
             var rightAscension = 20;
             var declination = 10;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GC#")).Returns("10/15/20");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GL#")).Returns("20:15:10");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns("-1.0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GC#")).Returns("10/15/20");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GL#")).Returns("20:15:10");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns("-1.0");
 
             _astroMathsMock
                 .Setup(x => x.ConvertHozToEq(It.IsAny<DateTime>(), It.IsAny<double>(), It.IsAny<double>(),
                     It.IsAny<HorizonCoordinates>())).Returns(new EquatorialCoordinates { Declination = declination, RightAscension = rightAscension });
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
+
+            var telescopeRaResult = "HH:MM:SS";
+            var telescopeDecResult = "s12*34’56";
+            var digitsRA = 2;
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar($":Sr{telescopeRaResult}#")).Returns("1");
+
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", digitsRA)).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(rightAscension);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", digitsRA)).Returns(telescopeDecResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeDecResult)).Returns(declination);
 
             ConnectTelescope();
 
@@ -2461,7 +2666,7 @@ namespace Meade.net.Telescope.UnitTests
             
             Assert.That(_telescope.TargetRightAscension, Is.EqualTo(rightAscension));
             Assert.That(_telescope.TargetDeclination, Is.EqualTo(declination));
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:MS#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":MS#"), Times.Once);
         }
 
         [Test]
@@ -2474,24 +2679,35 @@ namespace Meade.net.Telescope.UnitTests
         [Test]
         public void SlewToAltAz_WhenCalled_ThenSetsTargetAndSlews()
         {
-            var rightAscension = 10;
+            var rightAscension = 10.0;
             var declination = 20;
             var azimuth = 30;
             var altitude = 40;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GC#")).Returns("10/15/20");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GL#")).Returns("20:15:10");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns("-1.0");
+            var telescopeRaResult = "HH:MM:SS";
+            var hmsResult = 10.0;
+
+            _utilMock.Setup(x => x.HoursToHMS(rightAscension, ":", ":", ":", 2)).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.DegreesToDMS(declination, "*", ":", ":", 2)).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.DMSToDegrees(telescopeRaResult)).Returns(declination);
+
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeRaResult);
+            _utilMock.Setup(x => x.HMSToHours(telescopeRaResult)).Returns(hmsResult);
+            
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GC#")).Returns("10/15/20");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GL#")).Returns("20:15:10");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns("-1.0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":Sd+HH:MM:SS#")).Returns("1");
 
             _astroMathsMock
                 .Setup(x => x.ConvertHozToEq(It.IsAny<DateTime>(), It.IsAny<double>(), It.IsAny<double>(),
                     It.IsAny<HorizonCoordinates>())).Returns(new EquatorialCoordinates { Declination = declination, RightAscension = rightAscension });
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendChar("#:MS#")).Returns("0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendChar(":MS#")).Returns("0");
 
             var slewCounter = 0;
             var iterations = 10;
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:D#")).Returns(() =>
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":D#")).Returns(() =>
             {
                 slewCounter++;
                 if (slewCounter <= iterations)
@@ -2505,7 +2721,7 @@ namespace Meade.net.Telescope.UnitTests
 
             Assert.That(_telescope.TargetRightAscension, Is.EqualTo(rightAscension));
             Assert.That(_telescope.TargetDeclination, Is.EqualTo(declination));
-            _sharedResourcesWrapperMock.Verify(x => x.SendChar("#:MS#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendChar(":MS#"), Times.Once);
             _utilMock.Verify(x => x.WaitForMilliseconds(It.IsAny<int>()), Times.Exactly(iterations));
         }
 
@@ -2533,14 +2749,14 @@ namespace Meade.net.Telescope.UnitTests
 
             var mockHourAngle = 3;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GC#")).Returns("10/15/20");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GL#")).Returns("20:15:10");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns("-1.0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GC#")).Returns("10/15/20");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GL#")).Returns("20:15:10");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns("-1.0");
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:Gg#")).Returns(telescopeLongitude);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":Gg#")).Returns(telescopeLongitude);
             _utilMock.Setup(x => x.DMSToDegrees(telescopeLongitude)).Returns(telescopeLongitudeValue);
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GR#")).Returns(telescopeLatitude);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeLatitude);
             _utilMock.Setup(x => x.HMSToHours(telescopeLatitude)).Returns(telescopeLatitudeValue);
 
             _astroMathsMock.Setup(x => x.RightAscensionToHourAngle(It.IsAny<DateTime>(), It.IsAny<double>(), It.IsAny<double>())).Returns(mockHourAngle);
@@ -2578,14 +2794,14 @@ namespace Meade.net.Telescope.UnitTests
 
             var mockHourAngle = 3;
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GC#")).Returns("10/15/20");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GL#")).Returns("20:15:10");
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GG#")).Returns("-1.0");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GC#")).Returns("10/15/20");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GL#")).Returns("20:15:10");
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GG#")).Returns("-1.0");
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:Gg#")).Returns(telescopeLongitude);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":Gg#")).Returns(telescopeLongitude);
             _utilMock.Setup(x => x.DMSToDegrees(telescopeLongitude)).Returns(telescopeLongitudeValue);
 
-            _sharedResourcesWrapperMock.Setup(x => x.SendString("#:GR#")).Returns(telescopeLatitude);
+            _sharedResourcesWrapperMock.Setup(x => x.SendString(":GR#")).Returns(telescopeLatitude);
             _utilMock.Setup(x => x.HMSToHours(telescopeLatitude)).Returns(telescopeLatitudeValue);
 
             _astroMathsMock.Setup(x => x.RightAscensionToHourAngle(It.IsAny<DateTime>(), It.IsAny<double>(), It.IsAny<double>())).Returns(mockHourAngle);
@@ -2613,12 +2829,12 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.AbortSlew();
 
-            _sharedResourcesWrapperMock.Verify( x => x.SendBlind("#:Q#"),Times.Once);
+            _sharedResourcesWrapperMock.Verify( x => x.SendBlind(":Q#"),Times.Once);
 
             var isSloSlewing = _telescope.Slewing;
 
             Assert.That(isSloSlewing, Is.False);
-            _sharedResourcesWrapperMock.Verify( x => x.SendString("#:D#"), Times.Once);
+            _sharedResourcesWrapperMock.Verify( x => x.SendString(":D#"), Times.Once);
         }
     }
 }
\ No newline at end of file
diff --git a/Meade.net.Telescope.UnitTests/app.config b/Meade.net.Telescope.UnitTests/app.config
index 487342b..7b9c9ee 100644
--- a/Meade.net.Telescope.UnitTests/app.config
+++ b/Meade.net.Telescope.UnitTests/app.config
@@ -4,7 +4,7 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.5.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Threading.Tasks.Extensions" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
diff --git a/Meade.net.Telescope.UnitTests/packages.config b/Meade.net.Telescope.UnitTests/packages.config
index 688d530..507c431 100644
--- a/Meade.net.Telescope.UnitTests/packages.config
+++ b/Meade.net.Telescope.UnitTests/packages.config
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net472" />
-  <package id="Castle.Core" version="4.4.0" targetFramework="net45" />
-  <package id="Moq" version="4.13.0" targetFramework="net472" />
-  <package id="NUnit" version="3.12.0" targetFramework="net40" requireReinstallation="true" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.6.0" targetFramework="net472" />
-  <package id="System.Threading.Tasks.Extensions" version="4.5.3" targetFramework="net472" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
+  <package id="Moq" version="4.15.2" targetFramework="net472" />
+  <package id="NUnit" version="3.13.0" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Meade.net.Telescope/AstroMaths/AstroMathExtensions.cs b/Meade.net.Telescope/AstroMaths/AstroMathExtensions.cs
new file mode 100644
index 0000000..9254007
--- /dev/null
+++ b/Meade.net.Telescope/AstroMaths/AstroMathExtensions.cs
@@ -0,0 +1,79 @@
+using System;
+using ASCOM.Utilities;
+
+namespace ASCOM.Meade.net.AstroMaths
+{
+    public static class AstroMathExtensions
+    {
+        public static double DegreesToRadians(this double degrees)
+        {
+            return (Math.PI / 180) * degrees;
+        }
+
+        public static double RadiansToDegrees(this double radians)
+        {
+            double degrees = (180 / Math.PI) * radians;
+            return degrees;
+        }
+
+        public static double DateTimeToDecimalHours(this DateTime utcDateTime)
+        {
+            double sec = utcDateTime.Second;
+            double min = utcDateTime.Minute;
+            double hour = utcDateTime.Hour;
+
+            var a = Math.Abs(sec) / 60;
+            var b = (Math.Abs(min) + a) / 60;
+            var c = Math.Abs(hour) + b;
+
+            var d = c;
+
+            if ((hour < 0) || (min < 0) || (sec < 0))
+                d = -c;
+
+            return d;
+        }
+
+        public static double UTtoGst( this DateTime utcDateTime)
+        {
+            Util util = new Util();
+
+            var jd = util.DateUTCToJulian(utcDateTime) - 0.5;
+            if ((jd % 1) <= 0.5)
+                jd = Math.Floor(jd);
+            else
+                jd = Math.Floor(jd) + 0.5;
+
+            var s = jd - 2451545.0;
+            var t = s / 36525.0;
+            var t0 = 6.697374558 + (2400.051336 * t) + (0.000025862 * (t * t));
+
+            while (t0 < 0)
+            {
+                t0 += 24;
+            }
+
+            while (t0 >= 24)
+            {
+                t0 -= 24;
+            }
+
+            var ut = DateTimeToDecimalHours(utcDateTime);
+            var a = ut * 1.002737909;
+
+            var t1 = t0 + a;
+
+            while (t1 < 0)
+            {
+                t1 += 24;
+            }
+
+            while (t1 >= 24)
+            {
+                t1 -= 24;
+            }
+
+            return t1;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Meade.net.Telescope/AstroMaths/AstroMaths.cs b/Meade.net.Telescope/AstroMaths/AstroMaths.cs
index f8d7e77..efe0ae8 100644
--- a/Meade.net.Telescope/AstroMaths/AstroMaths.cs
+++ b/Meade.net.Telescope/AstroMaths/AstroMaths.cs
@@ -1,5 +1,4 @@
 using System;
-using ASCOM.Utilities;
 
 namespace ASCOM.Meade.net.AstroMaths
 {
@@ -10,7 +9,7 @@ namespace ASCOM.Meade.net.AstroMaths
         public double RightAscensionToHourAngle(DateTime utcDateTime, double longitude, double rightAscension)
         {
             //var ut = DateTimeToDecimalHours( utcDateTime);
-            var gst = UTtoGst( utcDateTime);
+            var gst = utcDateTime.UTtoGst();
             var lst = GsTtoLst( gst, longitude);
             var raHours = rightAscension;
             var h1 = lst - raHours;
@@ -24,7 +23,7 @@ namespace ASCOM.Meade.net.AstroMaths
 
         private double HourAngleToRightAscension(DateTime utcDateTime, double longitude, double hourAngle )
         {
-            var gst = UTtoGst(utcDateTime);
+            var gst = utcDateTime.UTtoGst();
             var lst = GsTtoLst( gst, longitude);
             var raHours = hourAngle;
             var h1 = lst - raHours;
@@ -39,17 +38,17 @@ namespace ASCOM.Meade.net.AstroMaths
 
         public EquatorialCoordinates ConvertHozToEq( DateTime utcDateTime, double latitude, double longitude, HorizonCoordinates altAz)
         {
-            var az = DegreesToRadians(altAz.Azimuth);
-            var alt = DegreesToRadians(altAz.Altitude);
-            var lat = DegreesToRadians(latitude);
+            var az = altAz.Azimuth.DegreesToRadians();
+            var alt = altAz.Altitude.DegreesToRadians();
+            var lat = latitude.DegreesToRadians();
             
             var sinDec = Math.Sin(alt) * Math.Sin(lat) + Math.Cos(alt) * Math.Cos(lat) * Math.Cos(az);
-            var dec = RadiansToDegrees(Math.Asin(sinDec));
+            var dec = Math.Asin(sinDec).RadiansToDegrees();
             
             var y = -Math.Cos(alt) * Math.Cos(lat) * Math.Sin(az);
             var x = Math.Sin(alt) - Math.Sin(lat) * sinDec;
             var upperA = Math.Atan2(y,x);
-            var upperB = RadiansToDegrees(upperA);
+            var upperB = upperA.RadiansToDegrees();
 
             var ha = upperB;
 
@@ -72,19 +71,20 @@ namespace ASCOM.Meade.net.AstroMaths
         public HorizonCoordinates ConvertEqToHoz(double hourAngle, double latitude, EquatorialCoordinates raDec)
         {
             var h = hourAngle * 15;
-            var h1 = DegreesToRadians(h);
-            var d = DegreesToRadians(raDec.Declination);
-            var lat = DegreesToRadians(latitude);
+            var h1 = h.DegreesToRadians();
+            var d = raDec.Declination.DegreesToRadians();
+            var lat = latitude.DegreesToRadians();
             var sinA = Math.Sin(d) * Math.Sin(lat) + Math.Cos(d) * Math.Cos(lat) * Math.Cos(h1);
 
              var y = -Math.Cos(d) * Math.Cos(lat) * Math.Sin(h1);
             var x = Math.Sin(d) - Math.Sin(lat) * sinA;
             var upperA = Math.Atan2(y, x);
-            var upperB = RadiansToDegrees(upperA);
+            var upperB = upperA.RadiansToDegrees();
 
             var horizonCoordinates = new HorizonCoordinates
             {
-                Altitude = RadiansToDegrees(Math.Asin(sinA)), Azimuth = upperB
+                Altitude = Math.Asin(sinA).RadiansToDegrees(), 
+                Azimuth = upperB
             };
 
 
@@ -96,82 +96,6 @@ namespace ASCOM.Meade.net.AstroMaths
             return horizonCoordinates;
         }
 
-
-        //todo convert to extension method
-        public double DegreesToRadians(double degrees)
-        {
-            return (Math.PI / 180) * degrees;
-        }
-
-        //todo convert to extension method
-        public double RadiansToDegrees(double radians)
-        {
-            double degrees = (180 / Math.PI) * radians;
-            return degrees;
-        }
-
-        //todo convert to extension method
-        public double DateTimeToDecimalHours( DateTime utcDateTime)
-        {
-            double sec = utcDateTime.Second;
-            double min = utcDateTime.Minute;
-            double hour = utcDateTime.Hour;
-			
-            var a = Math.Abs(sec) / 60;
-            var b = (Math.Abs(min) + a) / 60;
-            var c = Math.Abs(hour) + b;
-
-            var d = c;
-
-            if ((hour < 0) || (min < 0) || (sec < 0))
-                d = -c;
-
-            return d;
-        }
-
-        //todo convert to extension method
-        public double UTtoGst(DateTime utcDateTime)
-        {
-            Util util = new Util();
-
-            var jd = util.DateUTCToJulian(utcDateTime) - 0.5;
-            if ((jd % 1) <= 0.5 )
-                jd = Math.Floor( jd );
-            else
-                jd = Math.Floor( jd ) + 0.5;
-
-            var s = jd - 2451545.0;
-            var t = s / 36525.0;
-            var t0 = 6.697374558 + (2400.051336 * t ) +(0.000025862 * (t * t) );
-
-            while (t0 < 0)
-            {
-                t0 += 24;
-            }
-
-            while (t0 >= 24)
-            {
-                t0 -= 24;
-            }
-			
-            var ut = DateTimeToDecimalHours(utcDateTime);
-            var a = ut * 1.002737909;
-
-            var t1 = t0 + a;
-
-            while (t1 < 0)
-            {
-                t1 += 24;
-            }
-
-            while (t1 >= 24)
-            {
-                t1 -= 24;
-            }
-
-            return t1;
-        }
-
         public double GsTtoLst(double gst, double longitude)
         {
             var l = longitude/ 15;
@@ -189,4 +113,4 @@ namespace ASCOM.Meade.net.AstroMaths
             return lst;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Meade.net.Telescope/Meade.net.Telescope.csproj b/Meade.net.Telescope/Meade.net.Telescope.csproj
index cc2feb8..af7987b 100644
--- a/Meade.net.Telescope/Meade.net.Telescope.csproj
+++ b/Meade.net.Telescope/Meade.net.Telescope.csproj
@@ -15,7 +15,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>3.5</OldToolsVersion>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <ApplicationIcon>ASCOM.ico</ApplicationIcon>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>ASCOMDriverTemplate.snk</AssemblyOriginatorKeyFile>
@@ -71,37 +71,40 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+    </Reference>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.configuration" />
@@ -116,6 +119,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AstroMaths\AltitudeData.cs" />
+    <Compile Include="AstroMaths\AstroMathExtensions.cs" />
     <Compile Include="AstroMaths\AstroMaths.cs" />
     <Compile Include="AstroMaths\EquatorialCoordinates.cs" />
     <Compile Include="AstroMaths\HorizonCoordinates.cs" />
diff --git a/Meade.net.Telescope/Properties/AssemblyInfo.cs b/Meade.net.Telescope/Properties/AssemblyInfo.cs
index 4604c64..ce5b559 100644
--- a/Meade.net.Telescope/Properties/AssemblyInfo.cs
+++ b/Meade.net.Telescope/Properties/AssemblyInfo.cs
@@ -5,7 +5,6 @@ using System.Runtime.InteropServices;
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
 //
-// TODO - Add your authorship information here
 [assembly: AssemblyTitle("ASCOM.Meade.net.Telescope")]
 [assembly: AssemblyDescription("ASCOM Telescope driver for Meade.net")]
 [assembly: AssemblyConfiguration("")]
@@ -33,6 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
 //
-// TODO - Set your driver's version here
 [assembly: AssemblyVersion("0.0.0.0")]
 [assembly: AssemblyFileVersion("0.0.0.0")]
diff --git a/Meade.net.Telescope/Properties/Settings.Designer.cs b/Meade.net.Telescope/Properties/Settings.Designer.cs
index 67ea42d..c23ba31 100644
--- a/Meade.net.Telescope/Properties/Settings.Designer.cs
+++ b/Meade.net.Telescope/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace ASCOM.Meade.net.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.4.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/Meade.net.Telescope/Rates.cs b/Meade.net.Telescope/Rates.cs
index c59641a..6022c64 100644
--- a/Meade.net.Telescope/Rates.cs
+++ b/Meade.net.Telescope/Rates.cs
@@ -33,7 +33,7 @@ namespace ASCOM.Meade.net
 
         public void Dispose()
         {
-            // TODO Add any required object cleanup here
+            // Add any required object cleanup here
         }
 
         public double Maximum { get; set; }
@@ -106,7 +106,7 @@ namespace ASCOM.Meade.net
 
         public void Dispose()
         {
-            // TODO Add any required object cleanup here
+            // Add any required object cleanup here
         }
 
         public IEnumerator GetEnumerator()
@@ -176,7 +176,7 @@ namespace ASCOM.Meade.net
 
         public void Dispose()
         {
-            // TODO Add any required object cleanup here
+            // Add any required object cleanup here
         }
 
         public DriveRates this[int index] => _trackingRates[index - 1];
diff --git a/Meade.net.Telescope/Telescope.cs b/Meade.net.Telescope/Telescope.cs
index 4cec2f4..39837d0 100644
--- a/Meade.net.Telescope/Telescope.cs
+++ b/Meade.net.Telescope/Telescope.cs
@@ -26,7 +26,7 @@ namespace ASCOM.Meade.net
     // The ClassInterface/None addribute prevents an empty interface called
     // _Meade.net from being created and used as the [default] interface
     //
-    // TODO Replace the not implemented exceptions with code to implement the function or
+    // Replace the not implemented exceptions with code to implement the function or
     // throw the appropriate ASCOM exception.
     //
 
@@ -38,7 +38,7 @@ namespace ASCOM.Meade.net
     [ServedClassName("Meade Generic")]
     [ClassInterface(ClassInterfaceType.None)]
     [ComVisible(true)]
-    public class Telescope : ReferenceCountedObjectBase, ITelescopeV3
+    public class Telescope : MeadeTelescopeBase, ITelescopeV3
     {
         /// <summary>
         /// ASCOM DeviceID (COM ProgID) for this driver.
@@ -47,14 +47,6 @@ namespace ASCOM.Meade.net
         //internal static string driverID = "ASCOM.Meade.net.Telescope";
         private static readonly string DriverId = Marshal.GenerateProgIdForType(MethodBase.GetCurrentMethod().DeclaringType ?? throw new System.InvalidOperationException());
 
-        // TODO Change the descriptive string for your driver then remove this line
-        /// <summary>
-        /// Driver description that displays in the ASCOM Chooser.
-        /// </summary>
-        private static readonly string DriverDescription = "Meade Generic";
-
-        private static string _comPort; // Variables to hold the currrent device configuration
-
         /// <summary>
         /// Private variable to hold an ASCOM Utilities object
         /// </summary>
@@ -69,11 +61,14 @@ namespace ASCOM.Meade.net
         private readonly IAstroMaths _astroMaths;
 
         /// <summary>
-        /// Variable to hold the trace logger object (creates a diagnostic log file with information that you specify)
+        /// Private variable to hold number of decimals for RA
         /// </summary>
-        private TraceLogger _tl;
+        private int _digitsRa = 2;
 
-        private readonly ISharedResourcesWrapper _sharedResourcesWrapper;
+        /// <summary>
+        /// Private variable to hold number of decimals for DE
+        /// </summary>
+        private int _digitsDe = 2;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="Meade.net"/> class.
@@ -88,10 +83,9 @@ namespace ASCOM.Meade.net
                 _utilities = util;
                 _utilitiesExtra = util; //Initialise util object
                 _astroUtilities = new AstroUtils(); // Initialise astro utilities object
-                _sharedResourcesWrapper = new SharedResourcesWrapper();
                 _astroMaths = new AstroMaths.AstroMaths();
 
-                Initialise();
+                Initialise(nameof(Telescope));
             }
             catch (Exception e)
             {
@@ -122,33 +116,19 @@ namespace ASCOM.Meade.net
             sb.AppendLine();
         }
 
-        public Telescope( IUtil util, IUtilExtra utilExtra, IAstroUtils astroUtilities, ISharedResourcesWrapper sharedResourcesWrapper, IAstroMaths astroMaths)
+        public Telescope( IUtil util, IUtilExtra utilExtra, IAstroUtils astroUtilities, ISharedResourcesWrapper sharedResourcesWrapper, IAstroMaths astroMaths) : base(sharedResourcesWrapper)
         {
             _utilities = util; //Initialise util object
             _utilitiesExtra = utilExtra; //Initialise util object
             _astroUtilities = astroUtilities; // Initialise astro utilities object
-            _sharedResourcesWrapper = sharedResourcesWrapper;
             _astroMaths = astroMaths;
 
-            Initialise();
+            Initialise(nameof(Telescope));
         }
 
-        private double _guideRate;
         private bool _isGuiding;
 
-        private void Initialise()
-        {
-            //todo move the TraceLogger out to a factory class.
-            _tl = new TraceLogger("", "Meade.Generic.Telescope");
-            ReadProfile(); // Read device configuration from the ASCOM Profile store
-
-            IsConnected = false; // Initialise connected to false
-            
-            LogMessage("Telescope", "Completed initialisation");
-            LogMessage("Telescope", $"Driver version: {DriverVersion}");
-        }
-
-
+        private bool _isTargetCoordinateInitRequired = true;
         //
         // PUBLIC COM INTERFACE ITelescopeV3 IMPLEMENTATION
         //
@@ -164,7 +144,7 @@ namespace ASCOM.Meade.net
         public void SetupDialog()
         {
             LogMessage("SetupDialog", "Opening setup dialog");
-            _sharedResourcesWrapper.SetupDialog();
+            SharedResourcesWrapper.SetupDialog();
             ReadProfile();
             LogMessage("SetupDialog", "complete");
             //// consider only showing the setup dialog if not connected
@@ -203,68 +183,68 @@ namespace ASCOM.Meade.net
                     {
                         //Read the screen
                         case "readdisplay":
-                            var output = _sharedResourcesWrapper.SendString("#:ED#");
+                            var output = SharedResourcesWrapper.SendString(":ED#");
                             return output;
 
                         //top row of buttons
                         case "enter":
-                            _sharedResourcesWrapper.SendBlind("#:EK13#");
+                            SharedResourcesWrapper.SendBlind(":EK13#");
                             break;
                         case "mode":
-                            _sharedResourcesWrapper.SendBlind("#:EK9#");
+                            SharedResourcesWrapper.SendBlind(":EK9#");
                             break;
                         case "longmode":
-                            _sharedResourcesWrapper.SendBlind("#:EK11#");
+                            SharedResourcesWrapper.SendBlind(":EK11#");
                             break;
                         case "goto":
-                            _sharedResourcesWrapper.SendBlind("#:EK24#");
+                            SharedResourcesWrapper.SendBlind(":EK24#");
                             break;
 
                         case "0": //light and 0
-                            _sharedResourcesWrapper.SendBlind("#:EK48#");
+                            SharedResourcesWrapper.SendBlind(":EK48#");
                             break;
                         case "1":
-                            _sharedResourcesWrapper.SendBlind("#:EK49#");
+                            SharedResourcesWrapper.SendBlind(":EK49#");
                             break;
                         case "2":
-                            _sharedResourcesWrapper.SendBlind("#:EK50#");
+                            SharedResourcesWrapper.SendBlind(":EK50#");
                             break;
                         case "3":
-                            _sharedResourcesWrapper.SendBlind("#:EK51#");
+                            SharedResourcesWrapper.SendBlind(":EK51#");
                             break;
                         case "4":
-                            _sharedResourcesWrapper.SendBlind("#:EK52#");
+                            SharedResourcesWrapper.SendBlind(":EK52#");
                             break;
                         case "5":
-                            _sharedResourcesWrapper.SendBlind("#:EK53#");
+                            SharedResourcesWrapper.SendBlind(":EK53#");
                             break;
                         case "6":
-                            _sharedResourcesWrapper.SendBlind("#:EK54#");
+                            SharedResourcesWrapper.SendBlind(":EK54#");
                             break;
                         case "7":
-                            _sharedResourcesWrapper.SendBlind("#:EK55#");
+                            SharedResourcesWrapper.SendBlind(":EK55#");
                             break;
                         case "8":
-                            _sharedResourcesWrapper.SendBlind("#:EK56#");
+                            SharedResourcesWrapper.SendBlind(":EK56#");
                             break;
                         case "9":
-                            _sharedResourcesWrapper.SendBlind("#:EK57#");
+                            SharedResourcesWrapper.SendBlind(":EK57#");
                             break;
 
                         case "up":
-                            _sharedResourcesWrapper.SendBlind("#:EK94#");
+                            SharedResourcesWrapper.SendBlind(":EK94#");
                             break;
                         case "down":
-                            _sharedResourcesWrapper.SendBlind("#:EK118#");
+                            SharedResourcesWrapper.SendBlind(":EK118#");
                             break;
                         case "back":
-                            _sharedResourcesWrapper.SendBlind("#:EK87#");
+                            SharedResourcesWrapper.SendBlind(":EK87#");
                             break;
                         case "forward":
-                            _sharedResourcesWrapper.SendBlind("#:EK69#");
+                            SharedResourcesWrapper.SendBlind(":EK69#");
                             break;
                         case "?":
-                            _sharedResourcesWrapper.SendBlind("#:EK63#");
+                            SharedResourcesWrapper.SendBlind(":EK63#");
                             break;
                         default:
                             LogMessage("", "Action {0}, parameters {1} not implemented", actionName, actionParameters);
@@ -349,7 +329,7 @@ namespace ASCOM.Meade.net
             CheckConnected("CommandBlind");
             // Call CommandString and return as soon as it finishes
             //this.CommandString(command, raw);
-            _sharedResourcesWrapper.SendBlind(command);
+            SharedResourcesWrapper.SendBlind(command);
             // or
             //throw new ASCOM.MethodNotImplementedException("CommandBlind");
             // DO NOT have both these sections!  One or the other
@@ -371,7 +351,7 @@ namespace ASCOM.Meade.net
             // it's a good idea to put all the low level communication with the device here,
             // then all communication calls this function
             // you need something to ensure that only one command is in progress at a time
-            return _sharedResourcesWrapper.SendString(command);
+            return SharedResourcesWrapper.SendString(command);
             //throw new ASCOM.MethodNotImplementedException("CommandString");
         }
 
@@ -381,9 +361,9 @@ namespace ASCOM.Meade.net
                 Connected = false;
 
             // Clean up the tracelogger and util objects
-            _tl.Enabled = false;
-            _tl.Dispose();
-            _tl = null;
+            Tl.Enabled = false;
+            Tl.Dispose();
+            Tl = null;
         }
 
         public bool Connected
@@ -405,11 +385,11 @@ namespace ASCOM.Meade.net
                     {
                         ReadProfile();
 
-                        LogMessage("Connected Set", "Connecting to port {0}", _comPort);
-                        var connectionInfo = _sharedResourcesWrapper.Connect("Serial", DriverId, _tl);
+                        LogMessage("Connected Set", "Connecting to port {0}", ComPort);
+                        var connectionInfo = SharedResourcesWrapper.Connect("Serial", DriverId, Tl);
                         try
                         {
-                            LogMessage("Connected Set", $"Connected to port {_comPort}. Product: {_sharedResourcesWrapper.ProductName} Version:{_sharedResourcesWrapper.FirmwareVersion}");
+                            LogMessage("Connected Set", $"Connected to port {ComPort}. Product: {SharedResourcesWrapper.ProductName} Version:{SharedResourcesWrapper.FirmwareVersion}");
 
                             _userNewerPulseGuiding = IsNewPulseGuidingSupported();
                             _targetDeclination = InvalidParameter;
@@ -428,7 +408,7 @@ namespace ASCOM.Meade.net
 
                                 if (CanSetGuideRates)
                                 {
-                                    SetNewGuideRate(_guideRate, "Connect");
+                                    SetNewGuideRate(GuideRate, "Connect");
                                 }
 
                                 SetTelescopePrecision("Connect");
@@ -443,19 +423,19 @@ namespace ASCOM.Meade.net
                         }
                         catch (Exception)
                         {
-                            _sharedResourcesWrapper.Disconnect("Serial", DriverId);
+                            SharedResourcesWrapper.Disconnect("Serial", DriverId);
                             throw;
                         }
                     }
                     catch (Exception ex)
                     {
-                        LogMessage("Connected Set", "Error connecting to port {0} - {1}", _comPort, ex.Message);
+                        LogMessage("Connected Set", "Error connecting to port {0} - {1}", ComPort, ex.Message);
                     }
                 }
                 else
                 {
-                    LogMessage("Connected Set", "Disconnecting from port {0}", _comPort);
-                    _sharedResourcesWrapper.Disconnect("Serial", DriverId);
+                    LogMessage("Connected Set", "Disconnecting from port {0}", ComPort);
+                    SharedResourcesWrapper.Disconnect("Serial", DriverId);
                     IsConnected = false;
                 }
             }
@@ -463,7 +443,7 @@ namespace ASCOM.Meade.net
 
         private void SetTelescopePrecision(string propertyName)
         {
-            switch (_precision.ToLower())
+            switch (Precision.ToLower())
             {
                 case "high":
                     TelescopePointingPrecision(true);
@@ -481,7 +461,7 @@ namespace ASCOM.Meade.net
 
         public bool IsNewPulseGuidingSupported()
         {
-            switch (_guidingStyle)
+            switch (GuidingStyle)
             {
                 case "guide rate slew":
                     return false;
@@ -489,12 +469,12 @@ namespace ASCOM.Meade.net
                     return true;
 
                 default:
-                    if (_sharedResourcesWrapper.ProductName == TelescopeList.Autostar497)
+                    if (SharedResourcesWrapper.ProductName == TelescopeList.Autostar497)
                     {
                         return FirmwareIsGreaterThan(TelescopeList.Autostar497_31Ee);
                     }
 
-                    if (_sharedResourcesWrapper.ProductName == TelescopeList.LX200GPS)
+                    if (SharedResourcesWrapper.ProductName == TelescopeList.LX200GPS)
                     {
                         return true;
                     }
@@ -505,7 +485,7 @@ namespace ASCOM.Meade.net
 
         private bool IsLongFormatSupported()
         {
-            if (_sharedResourcesWrapper.ProductName == TelescopeList.LX200CLASSIC)
+            if (SharedResourcesWrapper.ProductName == TelescopeList.LX200CLASSIC)
             {
                 return false;
             }
@@ -514,7 +494,7 @@ namespace ASCOM.Meade.net
 
         private bool IsGuideRateSettingSupported()
         {
-            if (_sharedResourcesWrapper.ProductName == TelescopeList.LX200GPS)
+            if (SharedResourcesWrapper.ProductName == TelescopeList.LX200GPS)
             {
                 return true;
             }
@@ -523,13 +503,83 @@ namespace ASCOM.Meade.net
 
         private bool FirmwareIsGreaterThan(string minVersion)
         {
-            var currentVersion = _sharedResourcesWrapper.FirmwareVersion;
+            var currentVersion = SharedResourcesWrapper.FirmwareVersion;
             var comparison = String.Compare(currentVersion, minVersion, StringComparison.Ordinal);
             return comparison >= 0;
         }
 
         private bool IsLongFormat { get; set; }
 
+        /// <summary>
+        /// classic LX200 needs initial set of target coordinates, if it is slewing and the target RA DE coordinates are 0 and differ from the current coordinates
+        /// </summary>
+        private bool IsTargetCoordinateInitRequired()
+        {
+            if (SharedResourcesWrapper.ProductName != TelescopeList.LX200CLASSIC)
+                return false;
+
+            if (!_isTargetCoordinateInitRequired)
+                return _isTargetCoordinateInitRequired;
+
+            if (!IsConnected)
+                return true;
+
+            if(SharedResourcesWrapper.ProductName != TelescopeList.LX200CLASSIC)
+            {
+                _isTargetCoordinateInitRequired = false;
+                return _isTargetCoordinateInitRequired;
+            }
+
+            const double eps = 0.00001d;
+
+            double rightTargetAscension = RightAscension;
+            //target RA == 0
+            if (Math.Abs(rightTargetAscension) > eps)
+            {
+                _isTargetCoordinateInitRequired = false;
+                return _isTargetCoordinateInitRequired;
+            }
+
+            double targetDeclination = Declination;
+            //target DE == 0
+            if (Math.Abs(targetDeclination) > eps)
+            {
+                _isTargetCoordinateInitRequired = false;
+                return _isTargetCoordinateInitRequired;
+            }
+            
+            //target coordinates are equal current coordinates
+            if((Math.Abs(RightAscension - rightTargetAscension ) <= eps) &&
+                (Math.Abs(Declination - targetDeclination) <= eps))
+            {
+                LogMessage("IsTargetCoordinateInitRequired", $"0 diff -> false");
+                _isTargetCoordinateInitRequired = false;
+                return _isTargetCoordinateInitRequired;
+            }
+
+            LogMessage("IsTargetCoordinateInitRequired", $"{_isTargetCoordinateInitRequired}");
+            return _isTargetCoordinateInitRequired;
+        }
+
+        private void InitTargetCoordinates()
+        {
+            try
+            {
+                var raAndDec = GetTelescopeRaAndDec();
+                //when connection the first time the telescope target coordinates should be the current ones.
+                //for the classic LX200 at least this is not the case, target ra and dec are 0, when switched on.
+                LogMessage("InitTargetCoordinates", "sync telescope target");
+                SyncToCoordinates(raAndDec.RightAscension, raAndDec.Declination);
+
+                //do it only once
+                _isTargetCoordinateInitRequired = false;
+            }
+            catch (Exception ex)
+            {
+                LogMessage("InitTargetCoordinates", $"Error sync telescope position", ex.Message);
+            }
+        }
+
         public void SetLongFormat(bool setLongFormat)
         {
             IsLongFormat = false;
@@ -537,14 +587,17 @@ namespace ASCOM.Meade.net
             if (!IsLongFormatSupported())
             {
                 LogMessage("SetLongFormat", "Long coordinate format not supported for this mount");
+                _digitsRa = 1;
+                _digitsDe = 0;
                 return;
             }
 
-            _sharedResourcesWrapper.Lock(() =>
+            SharedResourcesWrapper.Lock(() =>
             {
-                var result = _sharedResourcesWrapper.SendString("#:GZ#");
+                var result = SharedResourcesWrapper.SendString(":GZ#");
+                LogMessage("SetLongFormat", $"Get - Azimuth {result}");
                 //:GZ# Get telescope azimuth
-                //Returns: DDD*MM# or DDD*MM’SS#
+                //Returns: DDD*MM.T or DDD*MM’SS#
                 //The current telescope Azimuth depending on the selected precision.
 
                 IsLongFormat = result.Length > 6;
@@ -552,11 +605,20 @@ namespace ASCOM.Meade.net
                 if (IsLongFormat != setLongFormat)
                 {
                     _utilities.WaitForMilliseconds(500);
-                    _sharedResourcesWrapper.SendBlind("#:U#");
+                    SharedResourcesWrapper.SendBlind(":U#");
                     //:U# Toggle between low/hi precision positions
                     //Low - RA displays and messages HH:MM.T sDD*MM
                     //High - Dec / Az / El displays and messages HH:MM: SS sDD*MM:SS
                     //    Returns Nothing
+                    result = SharedResourcesWrapper.SendString(":GZ#");
+                    IsLongFormat = result.Length > 6;
+                    LogMessage("SetLongFormat", $"Get - Azimuth {result}");
+                    if (IsLongFormat == setLongFormat)
+                        LogMessage("SetLongFormat", $"Long coordinate format: {setLongFormat} ");
+                } 
+                else
+                {
+                    LogMessage("SetLongFormat", $"Long coordinate format: {setLongFormat} ");
                 }
             });
 
@@ -566,7 +628,7 @@ namespace ASCOM.Meade.net
         private bool TogglePrecision()
         {
             LogMessage("TogglePrecision", "Toggling slewing precision");
-            var result = _sharedResourcesWrapper.SendChar("#:P#");
+            var result = SharedResourcesWrapper.SendChar(":P#");
             //:P# Toggles High Precsion Pointing. When High precision pointing is enabled scope will first allow the operator to center a nearby bright star before moving to the actual target.
             //Returns: <string>
             //“HIGH PRECISION” Current setting after this command.
@@ -584,10 +646,10 @@ namespace ASCOM.Meade.net
                     break;
             }
 
-            _sharedResourcesWrapper.ReadCharacters(throwAwayCharacters);
+            SharedResourcesWrapper.ReadCharacters(throwAwayCharacters);
 
             //Make sure that the buffers are cleared out.
-            _sharedResourcesWrapper.SendBlind("#");
+            SharedResourcesWrapper.SendBlind("#");
 
             return highPrecision;
         }
@@ -606,7 +668,7 @@ namespace ASCOM.Meade.net
         {
             CheckConnectedAndValidateSite(site, "SelectSite");
 
-            _sharedResourcesWrapper.SendBlind($"#:W{site}#");
+            SharedResourcesWrapper.SendBlind($":W{site}#");
             //:W<n>#
             //Set current site to<n>, an ASCII digit in the range 1..4
             //Returns: Nothing
@@ -632,7 +694,7 @@ namespace ASCOM.Meade.net
             switch (site)
             {
                 case 1:
-                    command = $"#:SM{sitename}#";
+                    command = $":SM{sitename}#";
                     //:SM<string>#
                     //Set site 1’s name to be<string>.LX200s only accept 3 character strings. Other scopes accept up to 15 characters.
                     //    Returns:
@@ -640,7 +702,7 @@ namespace ASCOM.Meade.net
                     //1 - Valid
                     break;
                 case 2:
-                    command = $"#:SN{sitename}#";
+                    command = $":SN{sitename}#";
                     //:SN<string>#
                     //Set site 2’s name to be<string>.LX200s only accept 3 character strings. Other scopes accept up to 15 characters.
                     //    Returns:
@@ -648,7 +710,7 @@ namespace ASCOM.Meade.net
                     //1 - Valid
                     break;
                 case 3:
-                    command = $"#:SO{sitename}#";
+                    command = $":SO{sitename}#";
                     //:SO<string>#
                     //Set site 3’s name to be<string>.LX200s only accept 3 character strings. Other scopes accept up to 15 characters.
                     //    Returns:
@@ -656,7 +718,7 @@ namespace ASCOM.Meade.net
                     //1 - Valid
                     break;
                 case 4:
-                    command = $"#:SP{sitename}#";
+                    command = $":SP{sitename}#";
                     //:SP<string>#
                     //Set site 4’s name to be<string>.LX200s only accept 3 character strings. Other scopes accept up to 15 characters.
                     //    Returns:
@@ -667,7 +729,7 @@ namespace ASCOM.Meade.net
                     throw new ArgumentOutOfRangeException(nameof(site), site, Resources.Telescope_GetSiteName_Site_out_of_range);
             }
 
-            var result = _sharedResourcesWrapper.SendChar(command);
+            var result = SharedResourcesWrapper.SendChar(command);
             if (result != "1")
             {
                 throw new InvalidOperationException("Failed to set site name.");
@@ -681,22 +743,22 @@ namespace ASCOM.Meade.net
             switch (site)
             {
                 case 1:
-                    return _sharedResourcesWrapper.SendString("#:GM#");
+                    return SharedResourcesWrapper.SendString(":GM#");
                     //:GM# Get Site 1 Name
                     //Returns: <string>#
                     //A ‘#’ terminated string with the name of the requested site.
                 case 2:
-                    return _sharedResourcesWrapper.SendString("#:GN#");
+                    return SharedResourcesWrapper.SendString(":GN#");
                     //:GN# Get Site 2 Name
                     //Returns: <string>#
                     //A ‘#’ terminated string with the name of the requested site.
                 case 3:
-                    return _sharedResourcesWrapper.SendString("#:GO#");
+                    return SharedResourcesWrapper.SendString(":GO#");
                     //:GO# Get Site 3 Name
                     //Returns: <string>#
                     //A ‘#’ terminated string with the name of the requested site.
                 case 4:
-                    return _sharedResourcesWrapper.SendString("#:GP#");
+                    return SharedResourcesWrapper.SendString(":GP#");
                     //:GP# Get Site 4 Name
                     //Returns: <string>#
                     //A ‘#’ terminated string with the name of the requested site.
@@ -705,38 +767,6 @@ namespace ASCOM.Meade.net
             }
         }
 
-        public string Description
-        {
-            // TODO customise this device description
-            get
-            {
-                LogMessage("Description Get", DriverDescription);
-                return DriverDescription;
-            }
-        }
-
-        public string DriverInfo
-        {
-            get
-            {
-                // TODO customise this driver description
-                string driverInfo = $"{Description} .net driver. Version: {DriverVersion}";
-                LogMessage("DriverInfo Get", driverInfo);
-                return driverInfo;
-            }
-        }
-
-        public string DriverVersion
-        {
-            get
-            {
-                Version version = Assembly.GetExecutingAssembly().GetName().Version;
-                string driverVersion = $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
-                LogMessage("DriverVersion Get", driverVersion);
-                return driverVersion;
-            }
-        }
-
         public short InterfaceVersion
         {
             // set by the driver wizard
@@ -753,11 +783,11 @@ namespace ASCOM.Meade.net
             {
                 //string name = "Short driver name - please customise";
 
-                //var telescopeProduceName = _sharedResourcesWrapper.SendString("#:GVP#");
+                //var telescopeProduceName = _sharedResourcesWrapper.SendString(":GVP#");
                 ////:GVP# Get Telescope Product Name
                 ////Returns: <string>#
 
-                //var firmwareVersion = _sharedResourcesWrapper.SendString("#:GVN#");
+                //var firmwareVersion = _sharedResourcesWrapper.SendString(":GVN#");
                 ////:GVN# Get Telescope Firmware Number
                 ////Returns: dd.d#
 
@@ -777,7 +807,7 @@ namespace ASCOM.Meade.net
             CheckConnected("AbortSlew");
 
             LogMessage("AbortSlew", "Aborting slew");
-            _sharedResourcesWrapper.SendBlind("#:Q#");
+            SharedResourcesWrapper.SendBlind(":Q#");
             //:Q# Halt all current slewing
             //Returns:Nothing
 
@@ -795,7 +825,7 @@ namespace ASCOM.Meade.net
 
                 const char ack = (char) 6;
 
-                var alignmentString = _sharedResourcesWrapper.SendChar(ack.ToString());
+                var alignmentString = SharedResourcesWrapper.SendChar(ack.ToString());
                 //ACK <0x06> Query of alignment mounting mode.
                 //Returns:
                 //A If scope in AltAz Mode
@@ -806,7 +836,7 @@ namespace ASCOM.Meade.net
                 //todo implement GW Command - Supported in Autostar 43Eg and above
                 //if FirmwareIsGreaterThan(TelescopeList.Autostar497_43EG)
                 //{
-                    //var alignmentString = SerialPort.CommandTerminated("#:GW#", "#");
+                    //var alignmentString = SerialPort.CommandTerminated(":GW#", "#");
                     //:GW# Get Scope Alignment Status
                     //Returns: <mount><tracking><alignment>#
                     //    where:
@@ -843,18 +873,16 @@ namespace ASCOM.Meade.net
                 if (!FirmwareIsGreaterThan(TelescopeList.Autostar497_43Eg))
                     throw new PropertyNotImplementedException("AlignmentMode",true );
 
-                //todo make this only try with Autostar 43Eg and above.
-
-                    switch (value)
+                switch (value)
                 {
                     case AlignmentModes.algAltAz:
-                        _sharedResourcesWrapper.SendBlind("#:AA#");
+                        SharedResourcesWrapper.SendBlind(":AA#");
                         //:AA# Sets telescope the AltAz alignment mode
                         //Returns: nothing
                         break;
                     case AlignmentModes.algPolar:
                     case AlignmentModes.algGermanPolar:
-                        _sharedResourcesWrapper.SendBlind("#:AP#");
+                        SharedResourcesWrapper.SendBlind(":AP#");
                         //:AP# Sets telescope to Polar alignment mode
                         //Returns: nothing
                         break;
@@ -877,8 +905,8 @@ namespace ASCOM.Meade.net
                 LogMessage("Altitude", $"{altAz.Altitude}");
                 return altAz.Altitude;
 
-                ////todo firmware bug in 44Eg, :GA# is returning the dec, not the altitude!
-                //var result = _sharedResourcesWrapper.SendString("#:GA#");
+                //firmware bug in 44Eg, :GA# is returning the dec, not the altitude!
+                //var result = _sharedResourcesWrapper.SendString(":GA#");
                 ////:GA# Get Telescope Altitude
                 ////Returns: sDD* MM# or sDD*MM’SS#
                 ////The current scope altitude. The returned format depending on the current precision setting.
@@ -894,7 +922,7 @@ namespace ASCOM.Meade.net
 
         private HorizonCoordinates CalcAltAzFromTelescopeEqData()
         {
-            var altitudeData = _sharedResourcesWrapper.Lock(() => new AltitudeData
+            var altitudeData = SharedResourcesWrapper.Lock(() => new AltitudeData
             {
                 UtcDateTime = UTCDate,
                 SiteLongitude = SiteLongitude,
@@ -968,7 +996,7 @@ namespace ASCOM.Meade.net
             {
                 CheckConnected("Azimuth Get");
 
-                //var result = _sharedResourcesWrapper.SendString("#:GZ#");
+                //var result = _sharedResourcesWrapper.SendString(":GZ#");
                 //:GZ# Get telescope azimuth
                 //Returns: DDD*MM#T or DDD*MM’SS#
                 //The current telescope Azimuth depending on the selected precision.
@@ -1139,8 +1167,8 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                LogMessage("CanUnpark", "Get - " + false);
-                return false;
+                LogMessage("CanUnpark", "Get - " + true);
+                return true;
             }
         }
 
@@ -1150,14 +1178,14 @@ namespace ASCOM.Meade.net
             {
                 CheckConnected("Declination Get");
 
-                var result = _sharedResourcesWrapper.SendString("#:GD#");
+                var result = SharedResourcesWrapper.SendString(":GD#");
                 //:GD# Get Telescope Declination.
                 //Returns: sDD*MM# or sDD*MM’SS#
                 //Depending upon the current precision setting for the telescope.
 
                 double declination = _utilities.DMSToDegrees(result);
 
-                LogMessage("Declination", "Get - " + _utilitiesExtra.DegreesToDMS(declination, ":", ":"));
+                LogMessage("Declination", $"Get - {result} convert to {declination} {_utilitiesExtra.DegreesToDMS(declination, ":", ":")}");
                 return declination;
             }
         }
@@ -1238,7 +1266,7 @@ namespace ASCOM.Meade.net
             }
 
             LogMessage($"{propertyName} Set", $"Setting new guiderate {value.ToString(CultureInfo.CurrentCulture)} arc seconds/second ({value.ToString(CultureInfo.CurrentCulture)} degrees/second)");
-            _sharedResourcesWrapper.SendBlind($"#:Rg{value:00.0}#");
+            SharedResourcesWrapper.SendBlind($":Rg{value:00.0}#");
             //:RgSS.S#
             //Set guide rate to +/ -SS.S to arc seconds per second.This rate is added to or subtracted from the current tracking
             //Rates when the CCD guider or handbox guider buttons are pressed when the guide rate is selected.Rate shall not exceed
@@ -1247,7 +1275,7 @@ namespace ASCOM.Meade.net
 
             //info from RickB says that 15.04107 is a better value for 
 
-            _guideRate = value;
+            GuideRate = value;
 
             WriteProfile();
         }
@@ -1266,8 +1294,8 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                var degreesPerSecond = ArcSecondPerSecondToDegreesPerSecond(_guideRate);
-                LogMessage("GuideRateDeclination Get", $"{_guideRate} arc seconds / second = {degreesPerSecond} degrees per second");
+                var degreesPerSecond = ArcSecondPerSecondToDegreesPerSecond(GuideRate);
+                LogMessage("GuideRateDeclination Get", $"{GuideRate} arc seconds / second = {degreesPerSecond} degrees per second");
                 return degreesPerSecond;
             }
             set
@@ -1281,8 +1309,8 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                double degreesPerSecond = ArcSecondPerSecondToDegreesPerSecond(_guideRate);
-                LogMessage("GuideRateRightAscension Get", $"{_guideRate} arc seconds / second = {degreesPerSecond} degrees per second");
+                double degreesPerSecond = ArcSecondPerSecondToDegreesPerSecond(GuideRate);
+                LogMessage("GuideRateRightAscension Get", $"{GuideRate} arc seconds / second = {degreesPerSecond} degrees per second");
                 return degreesPerSecond;
             }
             set
@@ -1319,22 +1347,22 @@ namespace ASCOM.Meade.net
                     //do nothing, it's ok this time as we're halting the slew.
                     break;
                 case 1:
-                    _sharedResourcesWrapper.SendBlind("#:RG#");
+                    SharedResourcesWrapper.SendBlind(":RG#");
                     //:RG# Set Slew rate to Guiding Rate (slowest)
                     //Returns: Nothing
                     break;
                 case 2:
-                    _sharedResourcesWrapper.SendBlind("#:RC#");
+                    SharedResourcesWrapper.SendBlind(":RC#");
                     //:RC# Set Slew rate to Centering rate (2nd slowest)
                     //Returns: Nothing
                     break;
                 case 3:
-                    _sharedResourcesWrapper.SendBlind("#:RM#");
+                    SharedResourcesWrapper.SendBlind(":RM#");
                     //:RM# Set Slew rate to Find Rate (2nd Fastest)
                     //Returns: Nothing
                     break;
                 case 4:
-                    _sharedResourcesWrapper.SendBlind("#:RS#");
+                    SharedResourcesWrapper.SendBlind(":RS#");
                     //:RS# Set Slew rate to max (fastest)
                     //Returns: Nothing
                     break;
@@ -1349,22 +1377,22 @@ namespace ASCOM.Meade.net
                     {
                         case ComparisonResult.Equals:
                             _movingPrimary = false;
-                            _sharedResourcesWrapper.SendBlind("#:Qe#");
+                            SharedResourcesWrapper.SendBlind(":Qe#");
                             //:Qe# Halt eastward Slews
                             //Returns: Nothing
-                            _sharedResourcesWrapper.SendBlind("#:Qw#");
+                            SharedResourcesWrapper.SendBlind(":Qw#");
                             //:Qw# Halt westward Slews
                             //Returns: Nothing
                             break;
                         case ComparisonResult.Greater:
 
-                            _sharedResourcesWrapper.SendBlind("#:Me#");
+                            SharedResourcesWrapper.SendBlind(":Me#");
                             //:Me# Move Telescope East at current slew rate
                             //Returns: Nothing
                             _movingPrimary = true;
                             break;
                         case ComparisonResult.Lower:
-                            _sharedResourcesWrapper.SendBlind("#:Mw#");
+                            SharedResourcesWrapper.SendBlind(":Mw#");
                             //:Mw# Move Telescope West at current slew rate
                             //Returns: Nothing
                             _movingPrimary = true;
@@ -1376,21 +1404,21 @@ namespace ASCOM.Meade.net
                     {
                         case ComparisonResult.Equals:
                             _movingSecondary = false;
-                            _sharedResourcesWrapper.SendBlind("#:Qn#");
+                            SharedResourcesWrapper.SendBlind(":Qn#");
                             //:Qn# Halt northward Slews
                             //Returns: Nothing
-                            _sharedResourcesWrapper.SendBlind("#:Qs#");
+                            SharedResourcesWrapper.SendBlind(":Qs#");
                             //:Qs# Halt southward Slews
                             //Returns: Nothing
                             break;
                         case ComparisonResult.Greater:
-                            _sharedResourcesWrapper.SendBlind("#:Mn#");
+                            SharedResourcesWrapper.SendBlind(":Mn#");
                             //:Mn# Move Telescope North at current slew rate
                             //Returns: Nothing
                             _movingSecondary = true;
                             break;
                         case ComparisonResult.Lower:
-                            _sharedResourcesWrapper.SendBlind("#:Ms#");
+                            SharedResourcesWrapper.SendBlind(":Ms#");
                             //:Ms# Move Telescope South at current slew rate
                             //Returns: Nothing
                             _movingSecondary = true;
@@ -1412,7 +1440,7 @@ namespace ASCOM.Meade.net
             if (AtPark)
                 return;
 
-            _sharedResourcesWrapper.SendBlind("#:hP#");
+            SharedResourcesWrapper.SendBlind(":hP#");
             //:hP# Autostar, Autostar II and LX 16”Slew to Park Position
             //Returns: Nothing
             AtPark = true;
@@ -1423,89 +1451,117 @@ namespace ASCOM.Meade.net
         public void PulseGuide(GuideDirections direction, int duration)
         {
             LogMessage("PulseGuide", $"pulse guide direction {direction} duration {duration}");
-            CheckConnected("PulseGuide");
-
-            if (IsSlewingToTarget())
-                throw new InvalidOperationException("Unable to PulseGuide whilst slewing to target.");
-
-            if (_movingPrimary && (direction == GuideDirections.guideEast || direction == GuideDirections.guideWest))
-                throw new InvalidOperationException("Unable to PulseGuide while moving same axis.");
-
-            if (_movingSecondary && (direction == GuideDirections.guideNorth || direction == GuideDirections.guideSouth))
-                throw new InvalidOperationException("Unable to PulseGuide while moving same axis.");
-
-            var coordinatesBeforeMove = GetTelescopeRaAndDec();
-
-            if (_userNewerPulseGuiding && duration < 10000)
+            try
             {
-                string d = string.Empty;
-                switch (direction)
-                {
-                    case GuideDirections.guideEast:
-                        d = "e";
-                        break;
-                    case GuideDirections.guideNorth:
-                        d = "n";
-                        break;
-                    case GuideDirections.guideSouth:
-                        d = "s";
-                        break;
-                    case GuideDirections.guideWest:
-                        d = "w";
-                        break;
-                }
+                CheckConnected("PulseGuide");
+                if (IsSlewingToTarget())
+                    throw new InvalidOperationException("Unable to PulseGuide whilst slewing to target.");
 
-                LogMessage("PulseGuide", "Using new pulse guiding technique");
-                _sharedResourcesWrapper.SendBlind($"#:Mg{d}{duration:0000}#");
-                //:MgnDDDD#
-                //:MgsDDDD#
-                //:MgeDDDD#
-                //:MgwDDDD#
-                //Guide telescope in the commanded direction(nsew) for the number of milliseconds indicated by the unsigned number
-                //passed in the command.These commands support serial port driven guiding.
-                //Returns – Nothing
-                //LX200 – Not Supported
-                _utilities.WaitForMilliseconds(duration); //todo figure out if this is really needed
-            }
-            else
-            {
                 _isGuiding = true;
                 try
                 {
-                    switch (direction)
+                    if (_movingPrimary &&
+                        (direction == GuideDirections.guideEast || direction == GuideDirections.guideWest))
+                        throw new InvalidOperationException("Unable to PulseGuide while moving same axis.");
+
+                    if (_movingSecondary &&
+                        (direction == GuideDirections.guideNorth || direction == GuideDirections.guideSouth))
+                        throw new InvalidOperationException("Unable to PulseGuide while moving same axis.");
+
+                    var coordinatesBeforeMove = GetTelescopeRaAndDec();
+
+                    if (_userNewerPulseGuiding && duration < 10000)
                     {
-                        case GuideDirections.guideEast:
-                            MoveAxis(TelescopeAxes.axisPrimary, 1);
-                            _utilities.WaitForMilliseconds(duration);
-                            MoveAxis(TelescopeAxes.axisPrimary, 0);
-                            break;
-                        case GuideDirections.guideNorth:
-                            MoveAxis(TelescopeAxes.axisSecondary, 1);
-                            _utilities.WaitForMilliseconds(duration);
-                            MoveAxis(TelescopeAxes.axisSecondary, 0);
-                            break;
-                        case GuideDirections.guideSouth:
-                            MoveAxis(TelescopeAxes.axisSecondary, -1);
-                            _utilities.WaitForMilliseconds(duration);
-                            MoveAxis(TelescopeAxes.axisSecondary, 0);
-                            break;
-                        case GuideDirections.guideWest:
-                            MoveAxis(TelescopeAxes.axisPrimary, -1);
-                            _utilities.WaitForMilliseconds(duration);
-                            MoveAxis(TelescopeAxes.axisPrimary, 0);
-                            break;
+                        string d = string.Empty;
+                        switch (direction)
+                        {
+                            case GuideDirections.guideEast:
+                                d = "e";
+                                break;
+                            case GuideDirections.guideNorth:
+                                d = "n";
+                                break;
+                            case GuideDirections.guideSouth:
+                                d = "s";
+                                break;
+                            case GuideDirections.guideWest:
+                                d = "w";
+                                break;
+                        }
+
+                        LogMessage("PulseGuide", "Using new pulse guiding technique");
+                        SharedResourcesWrapper.SendBlind($":Mg{d}{duration:0000}#");
+                        //:MgnDDDD#
+                        //:MgsDDDD#
+                        //:MgeDDDD#
+                        //:MgwDDDD#
+                        //Guide telescope in the commanded direction(nsew) for the number of milliseconds indicated by the unsigned number
+                        //passed in the command.These commands support serial port driven guiding.
+                        //Returns – Nothing
+                        //LX200 – Not Supported
+                        _utilities.WaitForMilliseconds(duration);
                     }
+                    else
+                    {
+                        LogMessage("PulseGuide", "Using old pulse guiding technique");
+                        switch (direction)
+                        {
+                            case GuideDirections.guideEast:
+                                MoveAxis(TelescopeAxes.axisPrimary, 1);
+                                _utilities.WaitForMilliseconds(duration);
+                                MoveAxis(TelescopeAxes.axisPrimary, 0);
+                                break;
+                            case GuideDirections.guideNorth:
+                                MoveAxis(TelescopeAxes.axisSecondary, 1);
+                                _utilities.WaitForMilliseconds(duration);
+                                MoveAxis(TelescopeAxes.axisSecondary, 0);
+                                break;
+                            case GuideDirections.guideSouth:
+                                MoveAxis(TelescopeAxes.axisSecondary, -1);
+                                _utilities.WaitForMilliseconds(duration);
+                                MoveAxis(TelescopeAxes.axisSecondary, 0);
+                                break;
+                            case GuideDirections.guideWest:
+                                MoveAxis(TelescopeAxes.axisPrimary, -1);
+                                _utilities.WaitForMilliseconds(duration);
+                                MoveAxis(TelescopeAxes.axisPrimary, 0);
+                                break;
+                        }
+
+                        LogMessage("PulseGuide", "Using old pulse guiding technique complete");
+                    }
+
+                    var coordinatesAfterMove = GetTelescopeRaAndDec();
+
+                    LogMessage("PulseGuide",
+                        $"Complete Before RA: {_utilitiesExtra.HoursToHMS(coordinatesBeforeMove.RightAscension)} Dec:{_utilitiesExtra.DegreesToDMS(coordinatesBeforeMove.Declination)}");
+                    LogMessage("PulseGuide",
+                        $"Complete After RA: {_utilitiesExtra.HoursToHMS(coordinatesAfterMove.RightAscension)} Dec:{_utilitiesExtra.DegreesToDMS(coordinatesAfterMove.Declination)}");
                 }
                 finally
                 {
                     _isGuiding = false;
                 }
             }
+            catch (Exception ex)
+            {
+                LogMessage("PulseGuide", $"Error performing pulse guide: {ex.Message}");
+                throw;
+            }
+        }
 
-            var coordinatesAfterMove = GetTelescopeRaAndDec();
+        /// <summary>
+        /// convert a HH:MM.T (classic LX200 RA Notation) string to a double hours. T is the decimal part of minutes which is converted into seconds
+        /// </summary>
+        public double HMToHours(string hm)
+        {
+            var token = hm.Split('.');
+            if (token.Length != 2)
+                return _utilities.HMSToHours(hm);
 
-            LogMessage("PulseGuide", $"Complete Before RA: {_utilitiesExtra.HoursToHMS(coordinatesBeforeMove.RightAscension)} Dec:{_utilitiesExtra.DegreesToDMS(coordinatesBeforeMove.Declination)}");
-            LogMessage("PulseGuide", $"Complete Before RA: {_utilitiesExtra.HoursToHMS(coordinatesAfterMove.RightAscension)} Dec:{_utilitiesExtra.DegreesToDMS(coordinatesAfterMove.Declination)}");
+            var seconds = short.Parse(token[1]) * 6;
+            var hms = $"{token[0]}:{seconds}";
+            return _utilities.HMSToHours(hms);
         }
 
         public double RightAscension
@@ -1513,14 +1569,14 @@ namespace ASCOM.Meade.net
             get
             {
                 CheckConnected("RightAscension Get");
-                var result = _sharedResourcesWrapper.SendString("#:GR#");
+                var result = SharedResourcesWrapper.SendString(":GR#");
                 //:GR# Get Telescope RA
                 //Returns: HH:MM.T# or HH:MM:SS#
                 //Depending which precision is set for the telescope
 
-                double rightAscension = _utilities.HMSToHours(result);
+                double rightAscension = HMToHours(result);
 
-                LogMessage("RightAscension", "Get - " + _utilitiesExtra.HoursToHMS(rightAscension));
+                LogMessage("RightAscension", $"Get - {result} convert to {rightAscension} {_utilitiesExtra.HoursToHMS(rightAscension)}");
                 return rightAscension;
             }
         }
@@ -1588,18 +1644,30 @@ namespace ASCOM.Meade.net
             }
         }
 
-        public double SiteElevation
+        public new double SiteElevation
         {
             get
             {
-                LogMessage("SiteElevation Get", "Not implemented");
-                throw new PropertyNotImplementedException("SiteElevation", false);
+                CheckConnected("SiteElevation Get");
+
+                LogMessage("SiteElevation",  $"Get {base.SiteElevation}");
+                return base.SiteElevation;
             }
             // ReSharper disable once ValueParameterNotUsed
             set
             {
-                LogMessage("SiteElevation Set", "Not implemented");
-                throw new PropertyNotImplementedException("SiteElevation", true);
+                CheckConnected("SiteElevation Set");
+
+                LogMessage("SiteElevation", $"Set: {value}");
+                if (value == base.SiteElevation)
+                {
+                    LogMessage("SiteElevation", $"Set: no change detected");
+                    return;
+                }
+                
+                LogMessage("SiteElevation", $"Set: {value} was {base.SiteElevation}");
+                base.SiteElevation = value;
+                base.UpdateSiteElevation();
             }
         }
 
@@ -1609,7 +1677,7 @@ namespace ASCOM.Meade.net
             {
                 CheckConnected("SiteLatitude Get");
 
-                var latitude = _sharedResourcesWrapper.SendString("#:Gt#");
+                var latitude = SharedResourcesWrapper.SendString(":Gt#");
                 //:Gt# Get Current Site Latitude
                 //Returns: sDD* MM#
                 //The latitude of the current site. Positive inplies North latitude.
@@ -1635,9 +1703,9 @@ namespace ASCOM.Meade.net
                 var absValue = Math.Abs(value);
                 int d = Convert.ToInt32(Math.Floor(absValue));
                 int m = Convert.ToInt32(60 * (absValue - d));
-                var commandString = $"#:St{sign}{d:00}*{m:00}#";
+                var commandString = $":St{sign}{d:00}*{m:00}#";
 
-                var result = _sharedResourcesWrapper.SendChar(commandString);
+                var result = SharedResourcesWrapper.SendChar(commandString);
                 //:StsDD*MM#
                 //Sets the current site latitude to sDD* MM#
                 //Returns:
@@ -1654,17 +1722,15 @@ namespace ASCOM.Meade.net
             {
                 CheckConnected("SiteLongitude Get");
 
-                var longitude = _sharedResourcesWrapper.SendString("#:Gg#");
+                var longitude = SharedResourcesWrapper.SendString(":Gg#");
                 //:Gg# Get Current Site Longitude
                 //Returns: sDDD*MM#
                 //The current site Longitude. East Longitudes are expressed as negative
-                double siteLongitude = _utilities.DMSToDegrees(longitude);
-
-                if (siteLongitude > 180)
-                    siteLongitude = siteLongitude - 360;
-
-                siteLongitude = -siteLongitude;
+                double siteLongitude = -_utilities.DMSToDegrees(longitude);
 
+                if (siteLongitude < -180)
+                    siteLongitude = siteLongitude + 360;
+                
                 LogMessage("SiteLongitude Get", $"{_utilitiesExtra.DegreesToDMS(siteLongitude)}");
                 return siteLongitude;
             }
@@ -1690,9 +1756,9 @@ namespace ASCOM.Meade.net
                 int d = Convert.ToInt32(Math.Floor(newLongitude));
                 int m = Convert.ToInt32(60 * (newLongitude - d));
 
-                var commandstring = $"#:Sg{d:000}*{m:00}#";
+                var commandstring = $":Sg{d:000}*{m:00}#";
 
-                var result = _sharedResourcesWrapper.SendChar(commandstring);
+                var result = SharedResourcesWrapper.SendChar(commandstring);
                 //:SgDDD*MM#
                 //Set current site’s longitude to DDD*MM an ASCII position string
                 //Returns:
@@ -1730,65 +1796,7 @@ namespace ASCOM.Meade.net
                 _utilities.WaitForMilliseconds(200); //be responsive to AbortSlew();
             }
         }
-
-        //private double TargetAltitude
-        //{
-        //    set
-        //    {
-        //        if (value > 90)
-        //            throw new InvalidValueException("Altitude cannot be greater than 90.");
-
-        //        if (value < 0)
-        //            throw new InvalidValueException("Altitide cannot be less than 0.");
-
-        //        CheckConnected("TargetAltitude Set");
-
-        //        //todo this serial string does not work.  Calculate the EQ version instead.
-
-        //        var dms = _utilities.DegreesToDMS(value, "*", "'", "",0);
-        //        var s = value < 0 ? string.Empty : "+";
-
-        //        var result = _sharedResourcesWrapper.SendChar($"#:Sa{s}{dms}#");
-        //        //:SasDD*MM#
-        //        //Set target object altitude to sDD*MM# or sDD*MM’SS# [LX 16”, Autostar, Autostar II]
-        //        //Returns:
-        //        //1 Object within slew range
-        //        //0 Object out of slew range
-
-        //        if (result == "0")
-        //            throw new InvalidOperationException("Target altitude out of slew range");
-        //    }
-        //}
-
-        //private double TargetAzimuth
-        //{
-        //    set
-        //    {
-        //        if (value >= 360)
-        //            throw new InvalidValueException("Azimuth cannot be 360 or higher.");
-
-        //        if (value < 0)
-        //            throw new InvalidValueException("Azimuth cannot be less than 0.");
-
-        //        CheckConnected("TargetAzimuth Set");
-
-        //        //todo this serial string does not work.  Calculate the EQ version instead.
-
-        //        var dms = _utilitiesExtra.DegreesToDM(value, "*" );
-
-        //        var result = _sharedResourcesWrapper.SendChar($"#:Sz{dms}#");
-        //        //:SzDDD*MM#
-        //        //Sets the target Object Azimuth[LX 16” and Autostar II only]
-        //        //Returns:
-        //        //0 – Invalid
-        //        //1 - Valid
-
-        //        if (result == "0")
-        //            throw new InvalidOperationException("Target Azimuth out of slew range");
-
-        //    }
-        //}
-
+        
         public void SlewToAltAzAsync(double azimuth, double altitude)
         {
             CheckConnected("SlewToAltAzAsync");
@@ -1813,7 +1821,7 @@ namespace ASCOM.Meade.net
             var latitude = SiteLatitude;
             var longitude = SiteLongitude;
 
-            _sharedResourcesWrapper.Lock(() =>
+            SharedResourcesWrapper.Lock(() =>
             {
                 var raDec = _astroMaths.ConvertHozToEq(utcDateTime, latitude, longitude, altAz);
 
@@ -1833,12 +1841,12 @@ namespace ASCOM.Meade.net
         {
             CheckConnected("DoSlewAsync");
 
-            _sharedResourcesWrapper.Lock(() =>
+            SharedResourcesWrapper.Lock(() =>
             {
                 switch (polar)
                 {
                     case true:
-                        var response = _sharedResourcesWrapper.SendChar("#:MS#");
+                        var response = SharedResourcesWrapper.SendChar(":MS#");
                         //:MS# Slew to Target Object
                         //Returns:
                         //0 Slew is Possible
@@ -1853,14 +1861,19 @@ namespace ASCOM.Meade.net
                                 break;
                             case "1":
                                 //Below Horizon 
-                                string belowHorizonMessage = _sharedResourcesWrapper.ReadTerminated();
+                                string belowHorizonMessage = SharedResourcesWrapper.ReadTerminated();
                                 LogMessage("DoSlewAsync", $"Slew failed \"{belowHorizonMessage}\"");
                                 throw new InvalidOperationException(belowHorizonMessage);
                             case "2":
-                                //Below Horizon 
-                                string belowMinimumElevationMessage = _sharedResourcesWrapper.ReadTerminated();
+                                //Below minimum elevation 
+                                string belowMinimumElevationMessage = SharedResourcesWrapper.ReadTerminated();
                                 LogMessage("DoSlewAsync", $"Slew failed \"{belowMinimumElevationMessage}\"");
                                 throw new InvalidOperationException(belowMinimumElevationMessage);
+                            case "3":
+                                //Telescope can hit the mount
+                                string canHitMountMessage = SharedResourcesWrapper.ReadTerminated();
+                                LogMessage("DoSlewAsync", $"Slew failed \"{canHitMountMessage}\"");
+                                throw new InvalidOperationException(canHitMountMessage);
                             default:
                                 LogMessage("DoSlewAsync", $"Slew failed - unknown response \"{response}\"");
                                 throw new DriverException("This error should not happen");
@@ -1869,7 +1882,7 @@ namespace ASCOM.Meade.net
 
                         break;
                     case false:
-                        var maResponse = _sharedResourcesWrapper.SendChar("#:MA#");
+                        var maResponse = SharedResourcesWrapper.SendChar(":MA#");
                         //:MA# Autostar, LX 16”, Autostar II – Slew to target Alt and Az
                         //Returns:
                         //0 - No fault
@@ -1906,7 +1919,7 @@ namespace ASCOM.Meade.net
             LogMessage("SlewToCoordinatesAsync", $"Ra={rightAscension}, Dec={declination}");
             CheckConnected("SlewToCoordinatesAsync");
 
-            _sharedResourcesWrapper.Lock(() =>
+            SharedResourcesWrapper.Lock(() =>
                 {
                     TargetRightAscension = rightAscension;
                     TargetDeclination = declination;
@@ -1952,38 +1965,73 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                if (!Connected) return false;
-
-
-                if (MovingAxis())
-                    return true;
-
-                return IsSlewingToTarget();
+                var isSlewing = GetSlewing();
+                LogMessage("Slewing", $"Result = {isSlewing}");
+                return isSlewing;
             }
         }
 
+        private bool GetSlewing()
+        {
+            if (!Connected) return false;
+
+
+            if (MovingAxis())
+                return true;
+
+            return IsSlewingToTarget();
+        }
+
         private bool IsSlewingToTarget()
         {
-            CheckConnected("Slewing Get");
+            CheckConnected("IsSlewingToTarget");
 
             if (_isGuiding)
                 return false;
 
-            var result = _sharedResourcesWrapper.SendString("#:D#");
+            var result = SharedResourcesWrapper.SendString(":D#");
             //:D# Requests a string of bars indicating the distance to the current target location.
             //Returns:
             //LX200's – a string of bar characters indicating the distance.
             //Autostars and Autostar II – a string containing one bar until a slew is complete, then a null string is returned.
 
-            if (result == null)
+            bool isSlewing = !string.IsNullOrEmpty(result);
+            try
             {
-                return false;
+                //if (string.IsNullOrEmpty(result))
+                //{
+                //    isSlewing = false;
+                //    return isSlewing;
+                //}
+
+                //if (result.Contains("|"))
+                //{
+                //    isSlewing = true;
+                //    return isSlewing;
+                //}
+
+                ////classic LX200 return bar with 32 chars. FF is contained  from left to right when slewing
+                //byte[] ba = Encoding.Default.GetBytes(result);
+                ////replace fill chars not belonging to a slew bar.  Are there others? The bar character is a FF in hex.
+                //var hexString = BitConverter.ToString(ba).Replace("-", "").Replace("20", "");
+                //LogMessage("IsSlewingToTarget", $"Resulthex  = {hexString}");
+                //isSlewing = (hexString.Length > 0);
+
+                //if (!isSlewing)
+                //    return isSlewing;
+
+                ////classic LX200 got RA 0 DE 0 as Target Coordinates. If the RA DE is not 0 at switch on, the telescope will indicate slewing until
+                ////the target coordinates are set and the telescope is slewed to that position.
+                ////a 0 movement will solved that lock if the target coordinates are set to the current coordinates.
+                //if (IsTargetCoordinateInitRequired())
+                //    InitTargetCoordinates();
+
+                return isSlewing;
+            }
+            finally
+            {
+                LogMessage("IsSlewingToTarget", $"Result = {isSlewing}");
             }
-
-            bool isSlewing = result != string.Empty;
-
-            LogMessage("Slewing Get", $"Result = {isSlewing}");
-            return isSlewing;
         }
 
         public void SyncToAltAz(double azimuth, double altitude)
@@ -1995,9 +2043,10 @@ namespace ASCOM.Meade.net
         public void SyncToCoordinates(double rightAscension, double declination)
         {
             LogMessage("SyncToCoordinates", $"RA={rightAscension} Dec={declination}");
+            LogMessage("SyncToCoordinates", $"RA={_utilitiesExtra.HoursToHMS(rightAscension)} Dec={_utilitiesExtra.HoursToHMS(declination)}");
             CheckConnected("SyncToCoordinates");
 
-            _sharedResourcesWrapper.Lock(() =>
+            SharedResourcesWrapper.Lock(() =>
             {
                 TargetRightAscension = rightAscension;
                 TargetDeclination = declination;
@@ -2011,14 +2060,31 @@ namespace ASCOM.Meade.net
             LogMessage("SyncToTarget", "Executing");
             CheckConnected("SyncToTarget");
 
-            var result = _sharedResourcesWrapper.SendString("#:CM#");
+            var result = SharedResourcesWrapper.SendString(":CM#");
             //:CM# Synchronizes the telescope's position with the currently selected database object's coordinates.
             //Returns:
             //LX200's - a "#" terminated string with the name of the object that was synced.
             //    Autostars & Autostar II - A static string: " M31 EX GAL MAG 3.5 SZ178.0'#"
 
-            if (result == string.Empty)
+            if (string.IsNullOrWhiteSpace(result))
                 throw new InvalidOperationException("Unable to perform sync");
+
+            // At least the classic LX200 low precision might not slew to the exact target position
+            // This Requires to retrieve the aimed target ra de from the telescope
+            double ra = RightAscension;
+            if (_targetRightAscension != InvalidParameter &&
+                _utilities.HoursToHMS(ra, ":", ":", ":", _digitsRa) != _utilities.HoursToHMS(_targetRightAscension, ":", ":", ":", _digitsRa))
+            {
+                LogMessage("SyncToTarget", $"differ RA real {ra} targeted {_targetRightAscension}");
+                _targetRightAscension = ra;
+            }
+            double de = Declination;
+            if (_targetDeclination != InvalidParameter &&
+                _utilities.DegreesToDMS(de, "*", ":", ":", _digitsDe) != _utilities.DegreesToDMS(_targetDeclination, "*", ":", ":", _digitsDe))
+            {
+                LogMessage("SyncToTarget", $"differ DE real {de} targeted {_targetDeclination}");
+                _targetDeclination = de;
+            }
         }
 
         private double _targetDeclination = InvalidParameter;
@@ -2029,7 +2095,7 @@ namespace ASCOM.Meade.net
                 if (_targetDeclination.Equals(InvalidParameter))
                     throw new InvalidOperationException("Target not set");
 
-                //var result = SerialPort.CommandTerminated("#:Gd#", "#");
+                //var result = SerialPort.CommandTerminated(":Gd#", "#");
                 ////:Gd# Get Currently Selected Object/Target Declination
                 ////Returns: sDD* MM# or sDD*MM’SS#
                 ////Depending upon the current precision setting for the telescope.
@@ -2047,20 +2113,24 @@ namespace ASCOM.Meade.net
 
                 CheckConnected("TargetDeclination Set");
 
-                //todo implement low precision version of this.
                 if (value > 90)
                     throw new InvalidValueException("Declination cannot be greater than 90.");
 
                 if (value < -90)
                     throw new InvalidValueException("Declination cannot be less than -90.");
-                
-                var dms = _utilities.DegreesToDMS(value, "*", ":", ":", 2);
+
+                var dms = "";
+                if (IsLongFormat)
+                    dms = _utilities.DegreesToDMS(value, "*", ":", ":", _digitsDe);
+                else
+                    dms = _utilities.DegreesToDM(value, "*", "", _digitsDe);
+
                 var s = value < 0 ? string.Empty : "+";
 
-                var command = $"#:Sd{s}{dms}#";
+                var command = $":Sd{s}{dms}#";
 
                 LogMessage("TargetDeclination Set", $"{command}");
-                var result = _sharedResourcesWrapper.SendChar(command);
+                var result = SharedResourcesWrapper.SendChar(command);
                 //:SdsDD*MM#
                 //Set target object declination to sDD*MM or sDD*MM:SS depending on the current precision setting
                 //Returns:
@@ -2072,7 +2142,7 @@ namespace ASCOM.Meade.net
                     throw new InvalidOperationException("Target declination invalid");
                 }
 
-                _targetDeclination = value;
+                _targetDeclination = _utilities.DMSToDegrees(dms);
             }
         }
 
@@ -2084,7 +2154,7 @@ namespace ASCOM.Meade.net
                 if (_targetRightAscension.Equals(InvalidParameter))
                     throw new InvalidOperationException("Target not set");
 
-                //var result = SerialPort.CommandTerminated("#:Gr#", "#");
+                //var result = SerialPort.CommandTerminated(":Gr#", "#");
                 ////:Gr# Get current/target object RA
                 ////Returns: HH: MM.T# or HH:MM:SS
                 ////Depending upon which precision is set for the telescope
@@ -2105,10 +2175,17 @@ namespace ASCOM.Meade.net
 
                 if (value >= 24)
                     throw new InvalidValueException("Right ascension value cannot be greater than 23:59:59");
-                //todo implement the low precision version
 
-                var hms = _utilities.HoursToHMS(value, ":", ":", ":", 2);
-                var response = _sharedResourcesWrapper.SendChar($"#:Sr{hms}#");
+                var hms = "";
+                if(IsLongFormat)
+                    hms = _utilities.HoursToHMS(value, ":", ":", ":", _digitsRa);
+                else
+                    //meade protocol defines H:MM.T format
+                    hms = _utilities.HoursToHM(value, ":", "", _digitsRa).Replace(',','.');
+
+                var command = $":Sr{hms}#";
+                LogMessage("TargetRightAscension Set", $"{command}");
+                var response = SharedResourcesWrapper.SendChar(command);
                 //:SrHH:MM.T#
                 //:SrHH:MM:SS#
                 //Set target object RA to HH:MM.T or HH: MM: SS depending on the current precision setting.
@@ -2119,7 +2196,7 @@ namespace ASCOM.Meade.net
                 if (response == "0")
                     throw new InvalidOperationException("Failed to set TargetRightAscension.");
 
-                _targetRightAscension = value;
+                _targetRightAscension = _utilities.HMSToHours(hms);
             }
         }
 
@@ -2139,15 +2216,13 @@ namespace ASCOM.Meade.net
         }
 
         private DriveRates _trackingRate = DriveRates.driveSidereal;
-        private string _precision;
-        private string _guidingStyle;
 
         public DriveRates TrackingRate
         {
             get
             {
                 //todo implement this with the GW command
-                //var result = SerialPort.CommandTerminated("#:GT#", "#");
+                //var result = SerialPort.CommandTerminated(":GT#", "#");
 
                 //double rate = double.Parse(result);
 
@@ -2169,17 +2244,17 @@ namespace ASCOM.Meade.net
                 switch (value)
                 {
                     case DriveRates.driveSidereal:
-                        _sharedResourcesWrapper.SendBlind("#:TQ#");
+                        SharedResourcesWrapper.SendBlind(":TQ#");
                         //:TQ# Selects sidereal tracking rate
                         //Returns: Nothing
                         break;
                     case DriveRates.driveLunar:
-                        _sharedResourcesWrapper.SendBlind("#:TL#");
+                        SharedResourcesWrapper.SendBlind(":TL#");
                         //:TL# Set Lunar Tracking Rage
                         //Returns: Nothing
                         break;
                     //case DriveRates.driveSolar:
-                    //    SerialPort.Command("#:TS#");
+                    //    SerialPort.Command(":TS#");
                     //    //:TS# Select Solar tracking rate. [LS Only]
                     //    //Returns: Nothing
                     //    break;
@@ -2211,7 +2286,7 @@ namespace ASCOM.Meade.net
 
         private TimeSpan GetUtcCorrection()
         {
-            string utcOffSet = _sharedResourcesWrapper.SendString("#:GG#");
+            string utcOffSet = SharedResourcesWrapper.SendString(":GG#");
             //:GG# Get UTC offset time
             //Returns: sHH# or sHH.H#
             //The number of decimal hours to add to local time to convert it to UTC. If the number is a whole number the
@@ -2236,15 +2311,15 @@ namespace ASCOM.Meade.net
 
                 LogMessage("UTCDate", "Get started");
 
-                var telescopeDateDetails = _sharedResourcesWrapper.Lock(() =>
+                var telescopeDateDetails = SharedResourcesWrapper.Lock(() =>
                 {
                     var tdd = new TelescopeDateDetails
                     {
-                        TelescopeDate = _sharedResourcesWrapper.SendString("#:GC#"),
+                        TelescopeDate = SharedResourcesWrapper.SendString(":GC#"),
                         //:GC# Get current date.
                         //Returns: MM/DD/YY#
                         //The current local calendar date for the telescope.
-                        TelescopeTime = _sharedResourcesWrapper.SendString("#:GL#"),
+                        TelescopeTime = SharedResourcesWrapper.SendString(":GL#"),
                         //:GL# Get Local Time in 24 hour format
                         //Returns: HH:MM:SS#
                         //The Local Time in 24 - hour Format
@@ -2280,13 +2355,13 @@ namespace ASCOM.Meade.net
 
                 CheckConnected("UTCDate Set");
 
-                _sharedResourcesWrapper.Lock(() =>
+                SharedResourcesWrapper.Lock(() =>
                 {
                     var utcCorrection = GetUtcCorrection();
                     var localDateTime = value - utcCorrection;
 
-                    string localStingCommand = $"#:SL{localDateTime:HH:mm:ss}#";
-                    var timeResult = _sharedResourcesWrapper.SendChar(localStingCommand);
+                    string localStingCommand = $":SL{localDateTime:HH:mm:ss}#";
+                    var timeResult = SharedResourcesWrapper.SendChar(localStingCommand);
                     //:SLHH:MM:SS#
                     //Set the local Time
                     //Returns:
@@ -2297,8 +2372,8 @@ namespace ASCOM.Meade.net
                         throw new InvalidOperationException("Failed to set local time");
                     }
 
-                    string localDateCommand = $"#:SC{localDateTime:MM/dd/yy}#";
-                    var dateResult = _sharedResourcesWrapper.SendChar(localDateCommand);
+                    string localDateCommand = $":SC{localDateTime:MM/dd/yy}#";
+                    var dateResult = SharedResourcesWrapper.SendChar(localDateCommand);
                     //:SCMM/DD/YY#
                     //Change Handbox Date to MM/DD/YY
                     //Returns: <D><string>
@@ -2311,16 +2386,41 @@ namespace ASCOM.Meade.net
                     }
 
                     //throwing away these two strings which represent 
-                    _sharedResourcesWrapper.ReadTerminated(); //Updating Planetary Data#
-                    _sharedResourcesWrapper.ReadTerminated(); //                       #
+                    SharedResourcesWrapper.ReadTerminated(); //Updating Planetary Data#
+                    SharedResourcesWrapper.ReadTerminated(); //                       #
                 });
             }
         }
 
         public void Unpark()
         {
-            LogMessage("Unpark", "Not implemented");
-            throw new MethodNotImplementedException("Unpark");
+            LogMessage("Unpark", "Parking telescope");
+
+            if (!AtPark)
+                return;
+
+            SharedResourcesWrapper.SendChar(":I#");
+            //:I# LX200 GPS Only - Causes the telescope to cease current operations and restart at its power on initialization.
+            //Returns: X once the handset restart has completed
+
+            //todo implement the 
+            //todo make sure that the telescope has the correct date and time.
+            //UTCDate = DateTime.UtcNow;
+
+
+
+            var utcCorrection = GetUtcCorrection();
+            var localDateTime = DateTime.UtcNow - utcCorrection;
+
+            //localDateTime: HH: mm: ss
+            SharedResourcesWrapper.SendBlind($":hI{localDateTime:yyMMddhhmmss}#");
+            //:hIYYMMDDHHMMSS#
+            //Bypass handbox entry of daylight savings, date and time.Use the values supplied in this command.This feature is
+            //intended to allow use of the Autostar II from permanent installations where GPS reception is not possible, such as within
+            //metal domes. This command must be issued while the telescope is waiting at the initial daylight savings prompt.
+            //Returns: 1 – if command was accepted.
+
+            AtPark = false;
         }
 
         #endregion
@@ -2331,13 +2431,6 @@ namespace ASCOM.Meade.net
 
         #region ASCOM Registration
 
-        private static IProfileFactory _profileFactory;
-        public static IProfileFactory ProfileFactory
-        {
-            get => _profileFactory ?? (_profileFactory = new ProfileFactory());
-            set => _profileFactory = value;
-        }
-
         // Register or unregister driver for ASCOM. This is harmless if already
         // registered or unregistered. 
         //
@@ -2410,11 +2503,6 @@ namespace ASCOM.Meade.net
 
         #endregion
 
-        /// <summary>
-        /// Returns true if there is a valid connection to the driver hardware
-        /// </summary>
-        private bool IsConnected { get; set; }
-
         /// <summary>
         /// Use this function to throw an exception if we aren't connected to the hardware
         /// </summary>
@@ -2427,47 +2515,16 @@ namespace ASCOM.Meade.net
             }
         }
 
-        /// <summary>
-        /// Read the device configuration from the ASCOM Profile store
-        /// </summary>
-        private void ReadProfile()
-        {
-            ProfileProperties profileProperties = _sharedResourcesWrapper.ReadProfile();
-            _tl.Enabled = profileProperties.TraceLogger;
-            _comPort = profileProperties.ComPort;
-            _guideRate = profileProperties.GuideRateArcSecondsPerSecond;
-            _precision = profileProperties.Precision;
-            _guidingStyle = profileProperties.GuidingStyle.ToLower();
-
-            LogMessage("ReadProfile", $"Trace logger enabled: {_tl.Enabled}");
-            LogMessage("ReadProfile", $"Com Port: {_comPort}");
-            LogMessage("ReadProfile", $"Guide Rate: {_guideRate}");
-            LogMessage("ReadProfile", $"Precision: {_precision}");
-            LogMessage("ReadProfile", $"Guiding Style: {_guidingStyle}");
-        }
-
         private void WriteProfile()
         {
             var profileProperties = new ProfileProperties
             {
-                TraceLogger = _tl.Enabled,
-                ComPort = _comPort,
-                GuideRateArcSecondsPerSecond = _guideRate
+                TraceLogger = Tl.Enabled,
+                ComPort = ComPort,
+                GuideRateArcSecondsPerSecond = GuideRate
             };
 
-            _sharedResourcesWrapper.WriteProfile(profileProperties);
-        }
-        
-        /// <summary>
-        /// Log helper function that takes formatted strings and arguments
-        /// </summary>
-        /// <param name="identifier"></param>
-        /// <param name="message"></param>
-        /// <param name="args"></param>
-        private void LogMessage(string identifier, string message, params object[] args)
-        {
-            var msg = string.Format(message, args);
-            _tl.LogMessage(identifier, msg);
+            SharedResourcesWrapper.WriteProfile(profileProperties);
         }
         #endregion
     }
diff --git a/Meade.net.Telescope/app.config b/Meade.net.Telescope/app.config
index 66e0395..c8fc52c 100644
--- a/Meade.net.Telescope/app.config
+++ b/Meade.net.Telescope/app.config
@@ -5,4 +5,4 @@
             <section name="ASCOM.DeviceName.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
         </sectionGroup>
     </configSections>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup></configuration>
diff --git a/Meade.net.Telescope/packages.config b/Meade.net.Telescope/packages.config
index a842451..6ea2d84 100644
--- a/Meade.net.Telescope/packages.config
+++ b/Meade.net.Telescope/packages.config
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net40" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Meade.net.UnitTests/Meade.net.UnitTests.csproj b/Meade.net.UnitTests/Meade.net.UnitTests.csproj
index 1889ad4..636c411 100644
--- a/Meade.net.UnitTests/Meade.net.UnitTests.csproj
+++ b/Meade.net.UnitTests/Meade.net.UnitTests.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.12.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" />
+  <Import Project="..\packages\NUnit.3.13.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -35,55 +35,58 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
     </Reference>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.1\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.13.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.13.0\lib\net45\Moq.dll</HintPath>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.12.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.12.0\lib\net45\nunit.framework.dll</HintPath>
+    <Reference Include="Moq, Version=4.15.0.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.15.2\lib\net45\Moq.dll</HintPath>
+    </Reference>
+    <Reference Include="nunit.framework, Version=3.13.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.13.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.6.0\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.5.0.0\lib\net45\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.3\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -112,6 +115,6 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit.3.12.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.12.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit.3.13.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.0\build\NUnit.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/Meade.net.UnitTests/SharedResourcesUnitTests.cs b/Meade.net.UnitTests/SharedResourcesUnitTests.cs
index 03d9e46..025bfb5 100644
--- a/Meade.net.UnitTests/SharedResourcesUnitTests.cs
+++ b/Meade.net.UnitTests/SharedResourcesUnitTests.cs
@@ -127,6 +127,8 @@ namespace Meade.net.UnitTests
             profileWrapperMock.Verify(x => x.WriteValue(DriverId, "Guide Rate Arc Seconds Per Second", profileProperties.GuideRateArcSecondsPerSecond.ToString(CultureInfo.CurrentCulture)), Times.Once);
             profileWrapperMock.Verify(x => x.WriteValue(DriverId, "Precision", profileProperties.Precision), Times.Once);
             profileWrapperMock.Verify(x => x.WriteValue(DriverId, "Guiding Style", profileProperties.GuidingStyle), Times.Once);
+            profileWrapperMock.Verify(x => x.WriteValue(DriverId, "Backlash Compensation", profileProperties.BacklashCompensation.ToString(CultureInfo.CurrentCulture)), Times.Once);
+            profileWrapperMock.Verify(x => x.WriteValue(DriverId, "Reverse Focuser Direction", profileProperties.ReverseFocusDirection.ToString()), Times.Once);
         }
 
         [Test]
@@ -139,12 +141,15 @@ namespace Meade.net.UnitTests
             string GuideRateProfileNameDefault = "10.077939"; //67% of sidereal rate
             string PrecisionDefault = "Unchanged";
             string GuidingStyleDefault = "Auto";
+            string BacklashCompensationDefault = "3000";
+            string ReverseFocuserDiectionDefault = "true";
 
             Mock<IProfileWrapper> profileWrapperMock = new Mock<IProfileWrapper>();
             profileWrapperMock.SetupAllProperties();
 
             profileWrapperMock.Setup(x => x.GetValue(DriverId, "Trace Level", string.Empty, TraceStateDefault))
-                .Returns(TraceStateDefault);
+                .Returns(() =>
+                    TraceStateDefault);
             profileWrapperMock.Setup(x => x.GetValue(DriverId, "COM Port", string.Empty, ComPortDefault))
                 .Returns(ComPortDefault);
             profileWrapperMock
@@ -154,6 +159,12 @@ namespace Meade.net.UnitTests
                 .Returns(PrecisionDefault);
             profileWrapperMock.Setup(x => x.GetValue(DriverId, "Guiding Style", string.Empty, GuidingStyleDefault))
                 .Returns(GuidingStyleDefault);
+            profileWrapperMock.Setup(x =>
+                    x.GetValue(DriverId, "Backlash Compensation", string.Empty, BacklashCompensationDefault))
+                .Returns(BacklashCompensationDefault);
+            profileWrapperMock.Setup(x =>
+                    x.GetValue(DriverId, "Reverse Focuser Direction", string.Empty, ReverseFocuserDiectionDefault))
+                .Returns(() => ReverseFocuserDiectionDefault);
 
             IProfileWrapper profeWrapper = profileWrapperMock.Object;
 
@@ -171,6 +182,8 @@ namespace Meade.net.UnitTests
             Assert.That(profileProperties.TraceLogger, Is.EqualTo(bool.Parse(TraceStateDefault)));
             Assert.That(profileProperties.Precision, Is.EqualTo(PrecisionDefault));
             Assert.That(profileProperties.GuidingStyle, Is.EqualTo(GuidingStyleDefault));
+            Assert.That(profileProperties.BacklashCompensation, Is.EqualTo(int.Parse(BacklashCompensationDefault)));
+            Assert.That(profileProperties.ReverseFocusDirection, Is.EqualTo(bool.Parse(ReverseFocuserDiectionDefault)));
         }
 
         [TestCase("TCP")]
@@ -214,7 +227,8 @@ namespace Meade.net.UnitTests
 
             string serialPortReturn = string.Empty;
 
-            _serialMock.Setup(x => x.Transmit(":GVP#")).Callback(() => { serialPortReturn = ":GVP#"; });
+            _serialMock.Setup(x => x.Transmit("#:GVP#")).Callback(() => { serialPortReturn = ":GVP#"; });
+            _serialMock.Setup(x => x.Transmit("#:GG#")).Callback(() => { serialPortReturn = "0"; });
             _serialMock.Setup(x => x.ReceiveTerminated("#")).Returns( () => serialPortReturn);
 
             var result = Assert.Throws<Exception>(() => { SharedResources.Connect(deviceId, string.Empty, _traceLoggerMock.Object); });
@@ -251,8 +265,14 @@ namespace Meade.net.UnitTests
 
             SharedResources.ProfileFactory = profileFactoryMock.Object;
 
-            _serialMock.Setup(x => x.Transmit(":GVP#")).Callback(() => {  });
-            _serialMock.Setup(x => x.ReceiveTerminated("#")).Returns(() => throw new Exception("Testerror"));
+            string serialPortReturn = string.Empty;
+
+            _serialMock.Setup(x => x.Transmit("#:GVP#")).Callback(() => { 
+                serialPortReturn = string.Empty;
+                throw new Exception("Testerror");
+            });
+            _serialMock.Setup(x => x.Transmit("#:GG#")).Callback(() => { serialPortReturn = "0"; });
+            _serialMock.Setup(x => x.ReceiveTerminated("#")).Returns(() => serialPortReturn);
 
             var connectionResult = SharedResources.Connect(deviceId, string.Empty, _traceLoggerMock.Object);
             try
@@ -300,8 +320,9 @@ namespace Meade.net.UnitTests
 
             string serialPortReturn = string.Empty;
 
-            _serialMock.Setup(x => x.Transmit(":GVP#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497; });
-            _serialMock.Setup(x => x.Transmit(":GVN#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497_43Eg; });
+            _serialMock.Setup(x => x.Transmit("#:GVP#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497; });
+            _serialMock.Setup(x => x.Transmit("#:GVN#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497_43Eg; });
+            _serialMock.Setup(x => x.Transmit("#:GG#")).Callback(() => { serialPortReturn = "0"; });
             _serialMock.Setup(x => x.ReceiveTerminated("#")).Returns(() => serialPortReturn);
 
             var connectionResult = SharedResources.Connect(deviceId, string.Empty, _traceLoggerMock.Object);
@@ -316,5 +337,51 @@ namespace Meade.net.UnitTests
                 SharedResources.Disconnect(deviceId, String.Empty);
             }
         }
+
+        [Test]
+        public void Connect_WhenSerialPortIsNotRespondingCorrectly_ThenExceptionThrown()
+        {
+            string deviceId = "Serial";
+
+            string driverDriverId = "ASCOM.MeadeGeneric.Telescope";
+
+            string ComPortDefault = "COM1";
+            string TraceStateDefault = "false";
+            string GuideRateProfileNameDefault = "10.077939"; //67% of sidereal rate
+            string PrecisionDefault = "Unchanged";
+
+            Mock<IProfileWrapper> profileWrapperMock = new Mock<IProfileWrapper>();
+            profileWrapperMock.SetupAllProperties();
+
+            profileWrapperMock.Setup(x => x.GetValue(driverDriverId, "Trace Level", string.Empty, TraceStateDefault))
+                .Returns(TraceStateDefault);
+            profileWrapperMock.Setup(x => x.GetValue(driverDriverId, "COM Port", string.Empty, ComPortDefault))
+                .Returns(ComPortDefault);
+            profileWrapperMock
+                .Setup(x => x.GetValue(driverDriverId, "Guide Rate Arc Seconds Per Second", string.Empty,
+                    GuideRateProfileNameDefault)).Returns(GuideRateProfileNameDefault);
+            profileWrapperMock.Setup(x => x.GetValue(driverDriverId, "Precision", string.Empty, PrecisionDefault))
+                .Returns(PrecisionDefault);
+
+            Mock<IProfileFactory> profileFactoryMock = new Mock<IProfileFactory>();
+            profileFactoryMock.Setup(x => x.Create()).Returns(profileWrapperMock.Object);
+
+            SharedResources.ProfileFactory = profileFactoryMock.Object;
+
+            string serialPortReturn = string.Empty;
+
+            _serialMock.Setup(x => x.Transmit("#:GVP#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497; });
+            _serialMock.Setup(x => x.Transmit("#:GVN#")).Callback(() => { serialPortReturn = TelescopeList.Autostar497_43Eg; });
+            _serialMock.Setup(x => x.Transmit("#:GG#")).Callback(() => { serialPortReturn = ""; });
+            _serialMock.Setup(x => x.ReceiveTerminated("#")).Returns(() => serialPortReturn);
+
+            var result = Assert.Throws<Exception>(() =>
+            {
+                SharedResources.Connect(deviceId, string.Empty, _traceLoggerMock.Object);
+            });
+            Assert.That(result.Message, Is.EqualTo("Unable to decode response from the telescope, This is likely a hardware serial communications error."));
+
+            _traceLoggerMock.Verify( x => x.LogIssue("Connect", "Unable to decode response from the telescope, This is likely a hardware serial communications error."), Times.Once);
+        }
     }
 }
diff --git a/Meade.net.UnitTests/app.config b/Meade.net.UnitTests/app.config
index 319783c..fe20587 100644
--- a/Meade.net.UnitTests/app.config
+++ b/Meade.net.UnitTests/app.config
@@ -8,7 +8,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.5.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
diff --git a/Meade.net.UnitTests/packages.config b/Meade.net.UnitTests/packages.config
index cad1be5..507c431 100644
--- a/Meade.net.UnitTests/packages.config
+++ b/Meade.net.UnitTests/packages.config
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net472" />
-  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
-  <package id="Moq" version="4.13.0" targetFramework="net472" />
-  <package id="NUnit" version="3.12.0" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.6.0" targetFramework="net472" />
-  <package id="System.Threading.Tasks.Extensions" version="4.5.3" targetFramework="net472" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
+  <package id="Moq" version="4.15.2" targetFramework="net472" />
+  <package id="NUnit" version="3.13.0" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Meade.net.focuser/Focuser.cs b/Meade.net.focuser/Focuser.cs
index 33ac3e4..ab8220a 100644
--- a/Meade.net.focuser/Focuser.cs
+++ b/Meade.net.focuser/Focuser.cs
@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections;
-using System.Diagnostics;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using ASCOM.DeviceInterface;
@@ -19,7 +18,7 @@ namespace ASCOM.Meade.net
     // The ClassInterface/None addribute prevents an empty interface called
     // _Meade.net from being created and used as the [default] interface
     //
-    // TODO Replace the not implemented exceptions with code to implement the function or
+    // Replace the not implemented exceptions with code to implement the function or
     // throw the appropriate ASCOM exception.
     //
 
@@ -31,7 +30,7 @@ namespace ASCOM.Meade.net
     [ServedClassName("Meade Generic")]
     [ClassInterface(ClassInterfaceType.None)]
     [ComVisible(true)]
-    public class Focuser : ReferenceCountedObjectBase, IFocuserV3
+    public class Focuser : MeadeTelescopeBase, IFocuserV3
     {
         /// <summary>
         /// ASCOM DeviceID (COM ProgID) for this driver.
@@ -39,26 +38,12 @@ namespace ASCOM.Meade.net
         /// </summary>
         //internal static string driverID = "ASCOM.Meade.net.Focuser";
         private static readonly string DriverId = Marshal.GenerateProgIdForType(MethodBase.GetCurrentMethod().DeclaringType ?? throw new System.InvalidOperationException());
-        // TODO Change the descriptive string for your driver then remove this line
-        /// <summary>
-        /// Driver description that displays in the ASCOM Chooser.
-        /// </summary>
-        private static readonly string DriverDescription = "Meade Generic";
-
-        private static string _comPort; // Variables to hold the currrent device configuration
 
         /// <summary>
         /// Private variable to hold an ASCOM Utilities object
         /// </summary>
         private readonly IUtil _utilities;
-
-        /// <summary>
-        /// Variable to hold the trace logger object (creates a diagnostic log file with information that you specify)
-        /// </summary>
-        private static TraceLogger _tl;
-
-        private readonly ISharedResourcesWrapper _sharedResourcesWrapper;
-
+        
         /// <summary>
         /// Initializes a new instance of the <see cref="Meade.net"/> class.
         /// Must be public for COM registration.
@@ -68,33 +53,17 @@ namespace ASCOM.Meade.net
             //todo move this out to IOC
             var util = new Util(); //Initialise util object
             _utilities = util;
-            _sharedResourcesWrapper = new SharedResourcesWrapper();
 
-            Initialise();
+            Initialise(nameof(Focuser));
         }
 
-        public Focuser(IUtil util, ISharedResourcesWrapper sharedResourcesWrapper)
+        public Focuser(IUtil util, ISharedResourcesWrapper sharedResourcesWrapper) : base(sharedResourcesWrapper)
         {
             _utilities = util;
-            _sharedResourcesWrapper = sharedResourcesWrapper;
 
-            Initialise();
+            Initialise(nameof(Focuser));
         }
 
-        private void Initialise()
-        {
-            //todo move the TraceLogger out to a factory class.
-            _tl = new TraceLogger("", "Meade.Generic.focusser");
-
-            ReadProfile(); // Read device configuration from the ASCOM Profile store
-
-            IsConnected = false; // Initialise connected to false
-
-            LogMessage("Focuser", "Completed initialisation");
-            LogMessage("Focuser", $"Driver version: {DriverVersion}");
-        }
-
-
         //
         // PUBLIC COM INTERFACE IFocuserV3 IMPLEMENTATION
         //
@@ -109,17 +78,17 @@ namespace ASCOM.Meade.net
         /// </summary>
         public void SetupDialog()
         {
-            _tl.LogMessage("SetupDialog", "Opening setup dialog");
-            _sharedResourcesWrapper.SetupDialog();
+            Tl.LogMessage("SetupDialog", "Opening setup dialog");
+            SharedResourcesWrapper.SetupDialog();
             ReadProfile();
-            _tl.LogMessage("SetupDialog", "complete");
+            Tl.LogMessage("SetupDialog", "complete");
         }
 
         public ArrayList SupportedActions
         {
             get
             {
-                _tl.LogMessage("SupportedActions Get", "Returning empty arraylist");
+                Tl.LogMessage("SupportedActions Get", "Returning empty arraylist");
                 return new ArrayList();
             }
         }
@@ -135,7 +104,7 @@ namespace ASCOM.Meade.net
             CheckConnected("CommandBlind");
             // Call CommandString and return as soon as it finishes
             //this.CommandString(command, raw);
-            _sharedResourcesWrapper.SendBlind(command);
+            SharedResourcesWrapper.SendBlind(command);
             // or
             //throw new ASCOM.MethodNotImplementedException("CommandBlind");
             // DO NOT have both these sections!  One or the other
@@ -145,7 +114,7 @@ namespace ASCOM.Meade.net
         {
             CheckConnected("CommandBool");
             //string ret = CommandString(command, raw);
-            // TODO decode the return string and return true or false
+            // decode the return string and return true or false
             // or
             throw new MethodNotImplementedException("CommandBool");
             // DO NOT have both these sections!  One or the other
@@ -157,16 +126,16 @@ namespace ASCOM.Meade.net
             // it's a good idea to put all the low level communication with the device here,
             // then all communication calls this function
             // you need something to ensure that only one command is in progress at a time
-            return _sharedResourcesWrapper.SendString(command);
+            return SharedResourcesWrapper.SendString(command);
             //throw new ASCOM.MethodNotImplementedException("CommandString");
         }
 
         public void Dispose()
         {
             // Clean up the tracelogger and util objects
-            _tl.Enabled = false;
-            _tl.Dispose();
-            _tl = null;
+            Tl.Enabled = false;
+            Tl.Dispose();
+            Tl = null;
         }
 
         public bool Connected
@@ -178,7 +147,7 @@ namespace ASCOM.Meade.net
             }
             set
             {
-                _tl.LogMessage("Connected", "Set {0}", value);
+                Tl.LogMessage("Connected", "Set {0}", value);
                 if (value == IsConnected)
                     return;
 
@@ -187,63 +156,31 @@ namespace ASCOM.Meade.net
                     try
                     {
                         ReadProfile();
-                        _sharedResourcesWrapper.Connect("Serial", DriverId, _tl);
+                        SharedResourcesWrapper.Connect("Serial", DriverId, Tl);
                         try
                         {
                             IsConnected = true;
                         }
                         catch (Exception)
                         {
-                            _sharedResourcesWrapper.Disconnect("Serial", DriverId);
+                            SharedResourcesWrapper.Disconnect("Serial", DriverId);
                             throw;
                         }
                     }
                     catch (Exception ex)
                     {
-                        LogMessage("Connected Set", "Error connecting to port {0} - {1}", _comPort, ex.Message);
+                        LogMessage("Connected Set", "Error connecting to port {0} - {1}", ComPort, ex.Message);
                     }
                 }
                 else
                 {
-                    LogMessage("Connected Set", "Disconnecting from port {0}", _comPort);
-                    _sharedResourcesWrapper.Disconnect("Serial", DriverId);
+                    LogMessage("Connected Set", "Disconnecting from port {0}", ComPort);
+                    SharedResourcesWrapper.Disconnect("Serial", DriverId);
                     IsConnected = false;
                 }
             }
         }
 
-        public string Description
-        {
-            // TODO customise this device description
-            get
-            {
-                _tl.LogMessage("Description Get", DriverDescription);
-                return DriverDescription;
-            }
-        }
-
-        public string DriverInfo
-        {
-            get
-            {
-                // TODO customise this driver description
-                string driverInfo = $"{Description} .net driver. Version: {DriverVersion}";
-                LogMessage("DriverInfo Get", driverInfo);
-                return driverInfo;
-            }
-        }
-
-        public string DriverVersion
-        {
-            get
-            {
-                Version version = Assembly.GetExecutingAssembly().GetName().Version;
-                string driverVersion = $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
-                LogMessage("DriverVersion Get", driverVersion);
-                return driverVersion;
-            }
-        }
-
         public short InterfaceVersion
         {
             // set by the driver wizard
@@ -260,7 +197,7 @@ namespace ASCOM.Meade.net
             {
                 //string name = "Short driver name - please customise";
                 string name = DriverDescription;
-                _tl.LogMessage("Name Get", name);
+                Tl.LogMessage("Name Get", name);
                 return name;
             }
         }
@@ -275,35 +212,29 @@ namespace ASCOM.Meade.net
             {
                 CheckConnected("Absolute Get");
 
-                _tl.LogMessage("Absolute Get", false.ToString());
+                Tl.LogMessage("Absolute Get", false.ToString());
                 return false; // This is a relative focuser
             }
         }
 
         public void Halt()
         {
-            _tl.LogMessage("Halt", "Halting");
+            Tl.LogMessage("Halt", "Halting");
 
             CheckConnected("Halt");
 
-            //A single halt command is sometimes missed by the #909 apm, so let's do it a few times to be safe.
-            //todo make this mockable
-            Stopwatch stopwatch = Stopwatch.StartNew();
-            while (stopwatch.ElapsedMilliseconds < 1000)
-            {
-                _sharedResourcesWrapper.SendBlind(":FQ#");
-                //:FQ# Halt Focuser Motion
-                //Returns: Nothing
+            //todo fix this issue: A single halt command is sometimes missed by the #909 apm, so let's do it a few times to be safe.
 
-                _utilities.WaitForMilliseconds(250);
-            }
+            SharedResourcesWrapper.SendBlind(":FQ#");
+            //:FQ# Halt Focuser Motion
+            //Returns: Nothing
         }
 
         public bool IsMoving
         {
             get
             {
-                _tl.LogMessage("IsMoving Get", false.ToString());
+                Tl.LogMessage("IsMoving Get", false.ToString());
                 return false; // This focuser always moves instantaneously so no need for IsMoving ever to be True
             }
         }
@@ -312,12 +243,12 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("Link Get", Connected.ToString());
+                Tl.LogMessage("Link Get", Connected.ToString());
                 return Connected; // Direct function to the connected method, the Link method is just here for backwards compatibility
             }
             set
             {
-                _tl.LogMessage("Link Set", value.ToString());
+                Tl.LogMessage("Link Set", value.ToString());
                 Connected = value; // Direct function to the connected method, the Link method is just here for backwards compatibility
             }
         }
@@ -327,30 +258,27 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("MaxIncrement Get", _maxIncrement.ToString());
+                Tl.LogMessage("MaxIncrement Get", _maxIncrement.ToString());
                 return _maxIncrement; // Maximum change in one move
             }
         }
 
         private readonly int _maxStep = 7000;
+
         public int MaxStep
         {
             get
             {
-                _tl.LogMessage("MaxStep Get", _maxStep.ToString());
+                Tl.LogMessage("MaxStep Get", _maxStep.ToString());
                 return _maxStep;
             }
         }
 
         public void Move(int position)
         {
-            _tl.LogMessage("Move", position.ToString());
+            Tl.LogMessage("Move", position.ToString());
             CheckConnected("Move");
 
-            //todo implement backlash compensation
-            //todo implement direction reverse
-            //todo implement dynamic braking
-
             if (position < -MaxIncrement || position > MaxIncrement)
             {
                 throw new InvalidValueException($"position out of range {-MaxIncrement} < {position} < {MaxIncrement}");
@@ -359,45 +287,75 @@ namespace ASCOM.Meade.net
             if (position == 0)
                 return;
 
-            MoveFocuser(position > 0, Math.Abs(position));
+            var direction = position > 0;
+            if (ReverseFocusDirection)
+                direction = !direction;
+
+            SharedResourcesWrapper.Lock(() =>
+            {
+                //backlash compensation.
+                var backlashCompensationSteps = direction ? Math.Abs(BacklashCompensation) : 0;
+
+                var steps = Math.Abs(position) + backlashCompensationSteps;
+                
+
+                MoveFocuser(direction, steps);
+
+
+                //todo refactor the backlash compensation to combine the commands into as few moves as practicle.
+                //ApplyBacklashCompensation(direction);
+                if (direction & backlashCompensationSteps != 0)
+                {
+                    Tl.LogMessage("Move", "Applying backlash compensation");
+                    MoveFocuser(!direction, backlashCompensationSteps);
+                }
+
+                DynamicBreaking(direction);
+                //todo implement dynamic braking
+                //dynamic breaking is sending the command to move in the opposite direction immediatly followed by the command to stop.
+            });
+        }
+
+        private void DynamicBreaking(bool directionOut)
+        {
+            if (!UseDynamicBreaking)
+                return;
+
+            Tl.LogMessage("Move", "Applying dynamic breaking");
+
+            PerformFocuserMove(directionOut);
+            Halt();
         }
 
         private void MoveFocuser(bool directionOut, int steps)
         {
-            _sharedResourcesWrapper.Lock(() =>
-            {
-                //_sharedResourcesWrapper.SendBlind("#:FF#");
-                //:FF# Set Focus speed to fastest setting
-                //Returns: Nothing
+            //_sharedResourcesWrapper.SendBlind(":FF#");
+            //:FF# Set Focus speed to fastest setting
+            //Returns: Nothing
 
-                //:FS# Set Focus speed to slowest setting
-                //Returns: Nothing
+            //:FS# Set Focus speed to slowest setting
+            //Returns: Nothing
 
-                //:F<n># Autostar, Autostar II – set focuser speed to <n> where <n> is an ASCII digit 1..4
-                //Returns: Nothing
-                //All others – Not Supported
-                _utilities.WaitForMilliseconds(100);
+            //:F<n># Autostar, Autostar II – set focuser speed to <n> where <n> is an ASCII digit 1..4
+            //Returns: Nothing
+            //All others – Not Supported
+            _utilities.WaitForMilliseconds(100);
+            
+            PerformFocuserMove(directionOut);
 
-                //A Single focus command sometimes gets lost on the #909, so sending lots of them solves the issue.
-                //todo make this mockable
-                Stopwatch stopwatch = Stopwatch.StartNew();
-                while (stopwatch.ElapsedMilliseconds < steps)
-                {
-                    _sharedResourcesWrapper.SendBlind(directionOut ? "#:F+#" : "#:F-#");
-                    //:F+# Start Focuser moving inward (toward objective)
-                    //Returns: None
+            _utilities.WaitForMilliseconds(steps);
 
-                    //:F-# Start Focuser moving outward (away from objective)
-                    //Returns: None
+            Halt();
+        }
 
-                    _utilities.WaitForMilliseconds(250);
-                }
+        private void PerformFocuserMove(bool directionOut)
+        {
+            SharedResourcesWrapper.SendBlind(directionOut ? ":F+#" : ":F-#");
+            //:F+# Start Focuser moving inward (toward objective)
+            //Returns: None
 
-                Halt();
-
-                //This gives the focuser time to physically stop.
-                _utilities.WaitForMilliseconds(1000);
-            });
+            //:F-# Start Focuser moving outward (away from objective)
+            //Returns: None
         }
 
         public int Position => throw new PropertyNotImplementedException("Position", false);
@@ -406,7 +364,7 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("StepSize Get", "Not implemented");
+                Tl.LogMessage("StepSize Get", "Not implemented");
                 throw new PropertyNotImplementedException("StepSize", false);
             }
         }
@@ -415,13 +373,13 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("TempComp Get", false.ToString());
+                Tl.LogMessage("TempComp Get", false.ToString());
                 return false;
             }
             // ReSharper disable once ValueParameterNotUsed
             set
             {
-                _tl.LogMessage("TempComp Set", "Not implemented");
+                Tl.LogMessage("TempComp Set", "Not implemented");
                 throw new PropertyNotImplementedException("TempComp", false);
             }
         }
@@ -430,7 +388,7 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("TempCompAvailable Get", false.ToString());
+                Tl.LogMessage("TempCompAvailable Get", false.ToString());
                 return false; // Temperature compensation is not available in this driver
             }
         }
@@ -439,7 +397,7 @@ namespace ASCOM.Meade.net
         {
             get
             {
-                _tl.LogMessage("Temperature Get", "Not implemented");
+                Tl.LogMessage("Temperature Get", "Not implemented");
                 throw new PropertyNotImplementedException("Temperature", false);
             }
         }
@@ -452,13 +410,6 @@ namespace ASCOM.Meade.net
 
         #region ASCOM Registration
 
-        private static IProfileFactory _profileFactory;
-        public static IProfileFactory ProfileFactory
-        {
-            get => _profileFactory ?? (_profileFactory = new ProfileFactory());
-            set => _profileFactory = value;
-        }
-
         // Register or unregister driver for ASCOM. This is harmless if already
         // registered or unregistered. 
         //
@@ -471,7 +422,7 @@ namespace ASCOM.Meade.net
         {
             using (IProfileWrapper p = ProfileFactory.Create())
             {
-                p.DeviceType = "Focuser";
+                p.DeviceType = nameof(Focuser);
                 if (bRegister)
                 {
                     p.Register(DriverId, DriverDescription);
@@ -530,12 +481,7 @@ namespace ASCOM.Meade.net
         }
 
         #endregion
-
-        /// <summary>
-        /// Returns true if there is a valid connection to the driver hardware
-        /// </summary>
-        private bool IsConnected { get; set; }
-
+        
         /// <summary>
         /// Use this function to throw an exception if we aren't connected to the hardware
         /// </summary>
@@ -547,31 +493,6 @@ namespace ASCOM.Meade.net
                 throw new NotConnectedException($"Not connected to focuser when trying to execute: {message}");
             }
         }
-
-        /// <summary>
-        /// Read the device configuration from the ASCOM Profile store
-        /// </summary>
-        private void ReadProfile()
-        {
-            var profileProperties = _sharedResourcesWrapper.ReadProfile();
-            _tl.Enabled = profileProperties.TraceLogger;
-            _comPort = profileProperties.ComPort;
-
-            LogMessage("ReadProfile", $"Trace logger enabled: {_tl.Enabled}");
-            LogMessage("ReadProfile", $"Com Port: {_comPort}");
-        }
-
-        /// <summary>
-        /// Log helper function that takes formatted strings and arguments
-        /// </summary>
-        /// <param name="identifier"></param>
-        /// <param name="message"></param>
-        /// <param name="args"></param>
-        private static void LogMessage(string identifier, string message, params object[] args)
-        {
-            var msg = string.Format(message, args);
-            _tl.LogMessage(identifier, msg);
-        }
         #endregion
     }
 }
diff --git a/Meade.net.focuser/Meade.net.focuser.csproj b/Meade.net.focuser/Meade.net.focuser.csproj
index 1074681..16584f2 100644
--- a/Meade.net.focuser/Meade.net.focuser.csproj
+++ b/Meade.net.focuser/Meade.net.focuser.csproj
@@ -15,7 +15,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>3.5</OldToolsVersion>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <ApplicationIcon>ASCOM.ico</ApplicationIcon>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>ASCOMDriverTemplate.snk</AssemblyOriginatorKeyFile>
@@ -83,37 +83,40 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+    </Reference>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.configuration" />
diff --git a/Meade.net.focuser/Properties/AssemblyInfo.cs b/Meade.net.focuser/Properties/AssemblyInfo.cs
index d77e77d..44f749c 100644
--- a/Meade.net.focuser/Properties/AssemblyInfo.cs
+++ b/Meade.net.focuser/Properties/AssemblyInfo.cs
@@ -5,7 +5,6 @@ using System.Runtime.InteropServices;
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
 //
-// TODO - Add your authorship information here
 [assembly: AssemblyTitle("ASCOM.Meade.net.Focuser")]
 [assembly: AssemblyDescription("ASCOM Focuser driver for Meade.net")]
 [assembly: AssemblyConfiguration("")]
@@ -33,6 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
 //
-// TODO - Set your driver's version here
 [assembly: AssemblyVersion("0.0.0.0")]
 [assembly: AssemblyFileVersion("0.0.0.0")]
diff --git a/Meade.net.focuser/Properties/Settings.Designer.cs b/Meade.net.focuser/Properties/Settings.Designer.cs
index 67ea42d..c23ba31 100644
--- a/Meade.net.focuser/Properties/Settings.Designer.cs
+++ b/Meade.net.focuser/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace ASCOM.Meade.net.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.4.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/Meade.net.focuser/app.config b/Meade.net.focuser/app.config
index 66e0395..c8fc52c 100644
--- a/Meade.net.focuser/app.config
+++ b/Meade.net.focuser/app.config
@@ -5,4 +5,4 @@
             <section name="ASCOM.DeviceName.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
         </sectionGroup>
     </configSections>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup></configuration>
diff --git a/Meade.net.focuser/packages.config b/Meade.net.focuser/packages.config
index a842451..6ea2d84 100644
--- a/Meade.net.focuser/packages.config
+++ b/Meade.net.focuser/packages.config
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net40" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Meade.net.v3.ncrunchsolution.user b/Meade.net.v3.ncrunchsolution.user
deleted file mode 100644
index cd10274..0000000
--- a/Meade.net.v3.ncrunchsolution.user
+++ /dev/null
@@ -1,16 +0,0 @@
-<SolutionConfiguration>
-  <Settings>
-    <AutoEnable>True</AutoEnable>
-    <CurrentEngineMode>Run all tests automatically [Global]</CurrentEngineMode>
-    <MetricsTreeShowTestProjects>False</MetricsTreeShowTestProjects>
-    <StatusIndicatorSplitterDistance>25</StatusIndicatorSplitterDistance>
-    <TestsWindowMenuOptions>
-      <VerticalSplitMenuOption>false</VerticalSplitMenuOption>
-      <ShowPassingTestsMenuOption>false</ShowPassingTestsMenuOption>
-      <ShowFailingTestsMenuOption>true</ShowFailingTestsMenuOption>
-      <ShowUnexecutedTestsMenuOption>true</ShowUnexecutedTestsMenuOption>
-      <ShowIgnoredTestsMenuOption>false</ShowIgnoredTestsMenuOption>
-    </TestsWindowMenuOptions>
-    <TestsWindowSplitterDistance>544</TestsWindowSplitterDistance>
-  </Settings>
-</SolutionConfiguration>
\ No newline at end of file
diff --git a/Meade.net/LocalServer.cs b/Meade.net/LocalServer.cs
index e0916f4..2a719af 100644
--- a/Meade.net/LocalServer.cs
+++ b/Meade.net/LocalServer.cs
@@ -390,7 +390,7 @@ namespace ASCOM.Meade.net
         //
         // Remove all traces of this from the registry. 
         //
-        // **TODO** If the above does AppID/DCOM stuff, this would have
+        // If the above does AppID/DCOM stuff, this would have
         // to remove that stuff too.
         //
         private static void UnregisterObjects()
@@ -494,7 +494,7 @@ namespace ASCOM.Meade.net
             bool bRet = true;
 
             //
-            //**TODO** -Embedding is "ActiveX start". Prohibit non_AX starting?
+            // -Embedding is "ActiveX start". Prohibit non_AX starting?
             //
             if (args.Length > 0)
             {
diff --git a/Meade.net/Meade.net.csproj b/Meade.net/Meade.net.csproj
index dbc67d3..eb6b45c 100644
--- a/Meade.net/Meade.net.csproj
+++ b/Meade.net/Meade.net.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ASCOM.Meade.net</RootNamespace>
     <AssemblyName>ASCOM.Meade.net.Server</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <FileUpgradeFlags>
     </FileUpgradeFlags>
     <OldToolsVersion>2.0</OldToolsVersion>
@@ -86,37 +86,40 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ASCOM.Astrometry, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Astrometry.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Astrometry.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Attributes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Attributes.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Attributes.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Cache, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Cache.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Cache.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Controls, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Controls.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Controls.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DeviceInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.DriverAccess.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.DriverAccess.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Exceptions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Exceptions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Exceptions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Internal.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Internal.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.SettingsProvider, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.SettingsProvider.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.dll</HintPath>
     </Reference>
     <Reference Include="ASCOM.Utilities.Video, Version=6.1.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL">
-      <HintPath>..\packages\ASCOM.Platform.6.4.2\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+      <HintPath>..\packages\ASCOM.Platform.6.5.1\lib\net40\ASCOM.Utilities.Video.dll</HintPath>
+    </Reference>
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
@@ -134,6 +137,7 @@
     </Compile>
     <Compile Include="GarbageCollection.cs" />
     <Compile Include="LocalServer.cs" />
+    <Compile Include="MeadeTelescopeBase.cs" />
     <Compile Include="ProfileFactory.cs" />
     <Compile Include="ProfileProperties.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/Meade.net/MeadeTelescopeBase.cs b/Meade.net/MeadeTelescopeBase.cs
new file mode 100644
index 0000000..1250461
--- /dev/null
+++ b/Meade.net/MeadeTelescopeBase.cs
@@ -0,0 +1,147 @@
+using System;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using ASCOM.Meade.net.Wrapper;
+using ASCOM.Utilities;
+
+namespace ASCOM.Meade.net
+{
+    [ComVisible(false)]
+    public class MeadeTelescopeBase : ReferenceCountedObjectBase
+    {
+        /// <summary>
+        /// Variable to hold the trace logger object (creates a diagnostic log file with information that you specify)
+        /// </summary>
+        protected static TraceLogger Tl;
+
+        /// <summary>
+        /// Driver description that displays in the ASCOM Chooser.
+        /// </summary>
+        protected static readonly string DriverDescription = "Meade Generic";
+
+        protected static string ComPort; // Variables to hold the currrent device configuration
+        protected static int BacklashCompensation;
+        protected static bool ReverseFocusDirection;
+        protected static bool UseDynamicBreaking;
+        protected double GuideRate;
+        protected string Precision;
+        protected string GuidingStyle;
+        protected double SiteElevation;
+
+        protected readonly ISharedResourcesWrapper SharedResourcesWrapper;
+
+        public MeadeTelescopeBase()
+        {
+            SharedResourcesWrapper = new SharedResourcesWrapper();
+        }
+
+        public MeadeTelescopeBase(ISharedResourcesWrapper sharedResourcesWrapper)
+        {
+            SharedResourcesWrapper = sharedResourcesWrapper;
+        }
+
+        protected void Initialise(string className)
+        {
+            Tl = new TraceLogger("", $"Meade.Generic.{className}");
+
+            ReadProfile(); // Read device configuration from the ASCOM Profile store
+
+            IsConnected = false; // Initialise connected to false
+
+            LogMessage(className, "Completed initialisation");
+            LogMessage(className, $"Driver version: {DriverVersion}");
+        }
+
+        /// <summary>
+        /// Read the device configuration from the ASCOM Profile store
+        /// </summary>
+        protected void ReadProfile()
+        {
+            var profileProperties = SharedResourcesWrapper.ReadProfile();
+            Tl.Enabled = profileProperties.TraceLogger;
+            ComPort = profileProperties.ComPort;
+            BacklashCompensation = profileProperties.BacklashCompensation;
+            ReverseFocusDirection = profileProperties.ReverseFocusDirection;
+            UseDynamicBreaking = profileProperties.DynamicBreaking;
+            GuideRate = profileProperties.GuideRateArcSecondsPerSecond;
+            Precision = profileProperties.Precision;
+            GuidingStyle = profileProperties.GuidingStyle.ToLower();
+            SiteElevation = profileProperties.SiteElevation;
+
+            LogMessage("ReadProfile", $"Trace logger enabled: {Tl.Enabled}");
+            LogMessage("ReadProfile", $"Com Port: {ComPort}");
+            LogMessage("ReadProfile", $"Backlash Steps: {BacklashCompensation}");
+            LogMessage("ReadProfile", $"Dynamic breaking: {UseDynamicBreaking}");
+            LogMessage("ReadProfile", $"Guide Rate: {GuideRate}");
+            LogMessage("ReadProfile", $"Precision: {Precision}");
+            LogMessage("ReadProfile", $"Guiding Style: {GuidingStyle}");
+            LogMessage("ReadProfile", $"Site Elevation: {SiteElevation}");
+        }
+
+        /// <summary>
+        /// Log helper function that takes formatted strings and arguments
+        /// </summary>
+        /// <param name="identifier"></param>
+        /// <param name="message"></param>
+        /// <param name="args"></param>
+        public static void LogMessage(string identifier, string message, params object[] args)
+        {
+            var msg = string.Format(message, args);
+            Tl.LogMessage(identifier, msg);
+        }
+
+        /// <summary>
+        /// Returns true if there is a valid connection to the driver hardware
+        /// </summary>
+        protected bool IsConnected { get; set; }
+
+        public string Description
+        {
+            get
+            {
+                Tl.LogMessage("Description Get", DriverDescription);
+                return DriverDescription;
+            }
+        }
+
+        public string DriverInfo
+        {
+            get
+            {
+                string driverInfo = $"{Description} .net driver. Version: {DriverVersion}";
+                LogMessage("DriverInfo Get", driverInfo);
+                return driverInfo;
+            }
+        }
+
+        public string DriverVersion
+        {
+            get
+            {
+                Version version = Assembly.GetExecutingAssembly().GetName().Version;
+                string driverVersion = $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
+                LogMessage("DriverVersion Get", driverVersion);
+                return driverVersion;
+            }
+        }
+
+        #region ASCOM Registration
+
+        private static IProfileFactory _profileFactory;
+
+        public static IProfileFactory ProfileFactory
+        {
+            get => _profileFactory ?? (_profileFactory = new ProfileFactory());
+            set => _profileFactory = value;
+        }
+
+        #endregion
+
+        protected void UpdateSiteElevation()
+        {
+            var profileProperties = SharedResourcesWrapper.ReadProfile();
+            profileProperties.SiteElevation = SiteElevation;
+            SharedResourcesWrapper.WriteProfile(profileProperties);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Meade.net/ProfileProperties.cs b/Meade.net/ProfileProperties.cs
index 56ee4a5..f5155c4 100644
--- a/Meade.net/ProfileProperties.cs
+++ b/Meade.net/ProfileProperties.cs
@@ -8,5 +8,10 @@ namespace ASCOM.Meade.net
         public double GuideRateArcSecondsPerSecond { get; set; }
         public string Precision { get; set; }
         public string GuidingStyle { get; set; }
+        public int BacklashCompensation { get; set; }
+        public bool ReverseFocusDirection { get; set; }
+        public bool DynamicBreaking { get; set; }
+        public bool RtsDtrEnabled { get; set; }
+        public double SiteElevation { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Meade.net/SetupDialogForm.cs b/Meade.net/SetupDialogForm.cs
index 851b048..b6a7208 100644
--- a/Meade.net/SetupDialogForm.cs
+++ b/Meade.net/SetupDialogForm.cs
@@ -62,6 +62,8 @@ namespace ASCOM.Meade.net
                 comboBoxComPort.SelectedItem = profileProperties.ComPort;
             }
 
+            cbxRtsDtr.Checked = profileProperties.RtsDtrEnabled;
+
             txtGuideRate.Text = profileProperties.GuideRateArcSecondsPerSecond.ToString(CultureInfo.CurrentCulture);
             try
             {
@@ -81,6 +83,11 @@ namespace ASCOM.Meade.net
                 cboGuidingStyle.SelectedItem = "Auto";
             }
 
+            txtBacklashSteps.Text = profileProperties.BacklashCompensation.ToString(CultureInfo.CurrentCulture);
+            txtElevation.Text = profileProperties.SiteElevation.ToString(CultureInfo.CurrentCulture);
+
+            cbxReverseDirection.Checked = profileProperties.ReverseFocusDirection;
+            cbxDynamicBreaking.Checked = profileProperties.DynamicBreaking;
         }
 
     public ProfileProperties GetProfile()
@@ -89,9 +96,14 @@ namespace ASCOM.Meade.net
             {
                 TraceLogger = chkTrace.Checked,
                 ComPort = comboBoxComPort.SelectedItem.ToString(),
+                RtsDtrEnabled = cbxRtsDtr.Checked,
                 GuideRateArcSecondsPerSecond = double.Parse(txtGuideRate.Text.Trim()),
                 Precision = cboPrecision.SelectedItem.ToString(),
-                GuidingStyle = cboGuidingStyle.SelectedItem.ToString()
+                GuidingStyle = cboGuidingStyle.SelectedItem.ToString(),
+                BacklashCompensation = int.Parse(txtBacklashSteps.Text),
+                ReverseFocusDirection = cbxReverseDirection.Checked,
+                DynamicBreaking = cbxDynamicBreaking.Checked,
+                SiteElevation = double.Parse(txtElevation.Text)
             };
 
             return profileProperties;
@@ -150,5 +162,23 @@ namespace ASCOM.Meade.net
             //txtGuideRate.Enabled = false;
             //cboPrecision.Enabled = false;
         }
+
+        private void txtElevation_TextChanged_1(object sender, EventArgs e)
+        {
+            if (System.Text.RegularExpressions.Regex.IsMatch(txtElevation.Text, "[^0-9]"))
+            {
+                MessageBox.Show("Please enter only numbers.");
+                txtElevation.Text = txtElevation.Text.Remove(txtElevation.Text.Length - 1);
+            }
+        }
+
+        private void txtBacklashSteps_TextChanged(object sender, EventArgs e)
+        {
+            if (System.Text.RegularExpressions.Regex.IsMatch(txtBacklashSteps.Text, "[^0-9]"))
+            {
+                MessageBox.Show("Please enter only numbers.");
+                txtBacklashSteps.Text = txtElevation.Text.Remove(txtBacklashSteps.Text.Length - 1);
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Meade.net/SetupDialogForm.designer.cs b/Meade.net/SetupDialogForm.designer.cs
index 4b40bb9..4d23524 100644
--- a/Meade.net/SetupDialogForm.designer.cs
+++ b/Meade.net/SetupDialogForm.designer.cs
@@ -31,6 +31,7 @@ namespace ASCOM.Meade.net
         /// </summary>
         private void InitializeComponent()
         {
+            this.components = new System.ComponentModel.Container();
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(SetupDialogForm));
             this.cmdOK = new System.Windows.Forms.Button();
             this.cmdCancel = new System.Windows.Forms.Button();
@@ -47,6 +48,19 @@ namespace ASCOM.Meade.net
             this.cboPrecision = new System.Windows.Forms.ComboBox();
             this.label6 = new System.Windows.Forms.Label();
             this.cboGuidingStyle = new System.Windows.Forms.ComboBox();
+            this.label7 = new System.Windows.Forms.Label();
+            this.label8 = new System.Windows.Forms.Label();
+            this.txtBacklashSteps = new System.Windows.Forms.TextBox();
+            this.label9 = new System.Windows.Forms.Label();
+            this.label10 = new System.Windows.Forms.Label();
+            this.label11 = new System.Windows.Forms.Label();
+            this.cbxReverseDirection = new System.Windows.Forms.CheckBox();
+            this.cbxDynamicBreaking = new System.Windows.Forms.CheckBox();
+            this.cbxRtsDtr = new System.Windows.Forms.CheckBox();
+            this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
+            this.label12 = new System.Windows.Forms.Label();
+            this.txtElevation = new System.Windows.Forms.TextBox();
+            this.label13 = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.picASCOM)).BeginInit();
             this.SuspendLayout();
             // 
@@ -151,10 +165,88 @@ namespace ASCOM.Meade.net
             resources.ApplyResources(this.cboGuidingStyle, "cboGuidingStyle");
             this.cboGuidingStyle.Name = "cboGuidingStyle";
             // 
+            // label7
+            // 
+            resources.ApplyResources(this.label7, "label7");
+            this.label7.Name = "label7";
+            // 
+            // label8
+            // 
+            resources.ApplyResources(this.label8, "label8");
+            this.label8.Name = "label8";
+            // 
+            // txtBacklashSteps
+            // 
+            resources.ApplyResources(this.txtBacklashSteps, "txtBacklashSteps");
+            this.txtBacklashSteps.Name = "txtBacklashSteps";
+            this.txtBacklashSteps.TextChanged += new System.EventHandler(this.txtBacklashSteps_TextChanged);
+            // 
+            // label9
+            // 
+            resources.ApplyResources(this.label9, "label9");
+            this.label9.Name = "label9";
+            // 
+            // label10
+            // 
+            resources.ApplyResources(this.label10, "label10");
+            this.label10.Name = "label10";
+            // 
+            // label11
+            // 
+            resources.ApplyResources(this.label11, "label11");
+            this.label11.Name = "label11";
+            // 
+            // cbxReverseDirection
+            // 
+            resources.ApplyResources(this.cbxReverseDirection, "cbxReverseDirection");
+            this.cbxReverseDirection.Name = "cbxReverseDirection";
+            this.cbxReverseDirection.UseVisualStyleBackColor = true;
+            // 
+            // cbxDynamicBreaking
+            // 
+            resources.ApplyResources(this.cbxDynamicBreaking, "cbxDynamicBreaking");
+            this.cbxDynamicBreaking.Name = "cbxDynamicBreaking";
+            this.cbxDynamicBreaking.UseVisualStyleBackColor = true;
+            // 
+            // cbxRtsDtr
+            // 
+            resources.ApplyResources(this.cbxRtsDtr, "cbxRtsDtr");
+            this.cbxRtsDtr.Name = "cbxRtsDtr";
+            this.toolTip1.SetToolTip(this.cbxRtsDtr, resources.GetString("cbxRtsDtr.ToolTip"));
+            this.cbxRtsDtr.UseVisualStyleBackColor = true;
+            // 
+            // label12
+            // 
+            resources.ApplyResources(this.label12, "label12");
+            this.label12.Name = "label12";
+            // 
+            // txtElevation
+            // 
+            resources.ApplyResources(this.txtElevation, "txtElevation");
+            this.txtElevation.Name = "txtElevation";
+            this.txtElevation.TextChanged += new System.EventHandler(this.txtElevation_TextChanged_1);
+            // 
+            // label13
+            // 
+            resources.ApplyResources(this.label13, "label13");
+            this.label13.Name = "label13";
+            // 
             // SetupDialogForm
             // 
             resources.ApplyResources(this, "$this");
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.label13);
+            this.Controls.Add(this.txtElevation);
+            this.Controls.Add(this.label12);
+            this.Controls.Add(this.cbxRtsDtr);
+            this.Controls.Add(this.cbxDynamicBreaking);
+            this.Controls.Add(this.cbxReverseDirection);
+            this.Controls.Add(this.label11);
+            this.Controls.Add(this.label10);
+            this.Controls.Add(this.txtBacklashSteps);
+            this.Controls.Add(this.label9);
+            this.Controls.Add(this.label8);
+            this.Controls.Add(this.label7);
             this.Controls.Add(this.cboGuidingStyle);
             this.Controls.Add(this.label6);
             this.Controls.Add(this.cboPrecision);
@@ -200,5 +292,18 @@ namespace ASCOM.Meade.net
         private ComboBox cboPrecision;
         private Label label6;
         private ComboBox cboGuidingStyle;
+        private Label label7;
+        private Label label8;
+        private TextBox txtBacklashSteps;
+        private Label label9;
+        private Label label10;
+        private Label label11;
+        private CheckBox cbxReverseDirection;
+        private CheckBox cbxDynamicBreaking;
+        private CheckBox cbxRtsDtr;
+        private ToolTip toolTip1;
+        private Label label12;
+        private TextBox txtElevation;
+        private Label label13;
     }
 }
\ No newline at end of file
diff --git a/Meade.net/SetupDialogForm.resx b/Meade.net/SetupDialogForm.resx
index 4bb64fd..a71d20e 100644
--- a/Meade.net/SetupDialogForm.resx
+++ b/Meade.net/SetupDialogForm.resx
@@ -123,7 +123,7 @@
   </data>
   <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="cmdOK.Location" type="System.Drawing.Point, System.Drawing">
-    <value>281, 250</value>
+    <value>281, 457</value>
   </data>
   <data name="cmdOK.Size" type="System.Drawing.Size, System.Drawing">
     <value>59, 24</value>
@@ -145,13 +145,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;cmdOK.ZOrder" xml:space="preserve">
-    <value>14</value>
+    <value>26</value>
   </data>
   <data name="cmdCancel.Anchor" type="System.Windows.Forms.AnchorStyles, System.Windows.Forms">
     <value>Bottom, Right</value>
   </data>
   <data name="cmdCancel.Location" type="System.Drawing.Point, System.Drawing">
-    <value>281, 280</value>
+    <value>281, 487</value>
   </data>
   <data name="cmdCancel.Size" type="System.Drawing.Size, System.Drawing">
     <value>59, 25</value>
@@ -172,7 +172,7 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;cmdCancel.ZOrder" xml:space="preserve">
-    <value>13</value>
+    <value>25</value>
   </data>
   <data name="label1.Location" type="System.Drawing.Point, System.Drawing">
     <value>12, 9</value>
@@ -196,7 +196,7 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label1.ZOrder" xml:space="preserve">
-    <value>12</value>
+    <value>24</value>
   </data>
   <data name="picASCOM.Anchor" type="System.Windows.Forms.AnchorStyles, System.Windows.Forms">
     <value>Top, Right</value>
@@ -223,13 +223,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;picASCOM.ZOrder" xml:space="preserve">
-    <value>11</value>
+    <value>23</value>
   </data>
   <data name="label2.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="label2.Location" type="System.Drawing.Point, System.Drawing">
-    <value>13, 90</value>
+    <value>12, 90</value>
   </data>
   <data name="label2.Size" type="System.Drawing.Size, System.Drawing">
     <value>58, 13</value>
@@ -250,19 +250,19 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label2.ZOrder" xml:space="preserve">
-    <value>10</value>
+    <value>22</value>
   </data>
   <data name="chkTrace.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="chkTrace.Location" type="System.Drawing.Point, System.Drawing">
-    <value>86, 136</value>
+    <value>97, 137</value>
   </data>
   <data name="chkTrace.Size" type="System.Drawing.Size, System.Drawing">
     <value>69, 17</value>
   </data>
   <data name="chkTrace.TabIndex" type="System.Int32, mscorlib">
-    <value>6</value>
+    <value>2</value>
   </data>
   <data name="chkTrace.Text" xml:space="preserve">
     <value>Trace on</value>
@@ -277,16 +277,16 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;chkTrace.ZOrder" xml:space="preserve">
-    <value>9</value>
+    <value>21</value>
   </data>
   <data name="comboBoxComPort.Location" type="System.Drawing.Point, System.Drawing">
-    <value>86, 87</value>
+    <value>97, 87</value>
   </data>
   <data name="comboBoxComPort.Size" type="System.Drawing.Size, System.Drawing">
     <value>90, 21</value>
   </data>
   <data name="comboBoxComPort.TabIndex" type="System.Int32, mscorlib">
-    <value>7</value>
+    <value>0</value>
   </data>
   <data name="&gt;&gt;comboBoxComPort.Name" xml:space="preserve">
     <value>comboBoxComPort</value>
@@ -298,13 +298,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;comboBoxComPort.ZOrder" xml:space="preserve">
-    <value>8</value>
+    <value>20</value>
   </data>
   <data name="label3.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="label3.Location" type="System.Drawing.Point, System.Drawing">
-    <value>10, 162</value>
+    <value>12, 278</value>
   </data>
   <data name="label3.Size" type="System.Drawing.Size, System.Drawing">
     <value>61, 13</value>
@@ -325,16 +325,16 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label3.ZOrder" xml:space="preserve">
-    <value>7</value>
+    <value>19</value>
   </data>
   <data name="txtGuideRate.Location" type="System.Drawing.Point, System.Drawing">
-    <value>86, 159</value>
+    <value>97, 275</value>
   </data>
   <data name="txtGuideRate.Size" type="System.Drawing.Size, System.Drawing">
     <value>46, 20</value>
   </data>
   <data name="txtGuideRate.TabIndex" type="System.Int32, mscorlib">
-    <value>9</value>
+    <value>3</value>
   </data>
   <data name="txtGuideRate.Text" xml:space="preserve">
     <value>10.0</value>
@@ -349,13 +349,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;txtGuideRate.ZOrder" xml:space="preserve">
-    <value>6</value>
+    <value>18</value>
   </data>
   <data name="label4.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="label4.Location" type="System.Drawing.Point, System.Drawing">
-    <value>138, 162</value>
+    <value>149, 278</value>
   </data>
   <data name="label4.Size" type="System.Drawing.Size, System.Drawing">
     <value>122, 13</value>
@@ -376,13 +376,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label4.ZOrder" xml:space="preserve">
-    <value>5</value>
+    <value>17</value>
   </data>
   <data name="lblPercentOfSiderealRate.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="lblPercentOfSiderealRate.Location" type="System.Drawing.Point, System.Drawing">
-    <value>138, 175</value>
+    <value>149, 291</value>
   </data>
   <data name="lblPercentOfSiderealRate.Size" type="System.Drawing.Size, System.Drawing">
     <value>105, 13</value>
@@ -403,13 +403,13 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;lblPercentOfSiderealRate.ZOrder" xml:space="preserve">
-    <value>4</value>
+    <value>16</value>
   </data>
   <data name="label5.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
   <data name="label5.Location" type="System.Drawing.Point, System.Drawing">
-    <value>13, 194</value>
+    <value>12, 310</value>
   </data>
   <data name="label5.Size" type="System.Drawing.Size, System.Drawing">
     <value>50, 13</value>
@@ -430,7 +430,7 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label5.ZOrder" xml:space="preserve">
-    <value>3</value>
+    <value>15</value>
   </data>
   <data name="cboPrecision.Items" xml:space="preserve">
     <value>Unchanged</value>
@@ -442,13 +442,13 @@
     <value>High</value>
   </data>
   <data name="cboPrecision.Location" type="System.Drawing.Point, System.Drawing">
-    <value>86, 191</value>
+    <value>97, 307</value>
   </data>
   <data name="cboPrecision.Size" type="System.Drawing.Size, System.Drawing">
     <value>90, 21</value>
   </data>
   <data name="cboPrecision.TabIndex" type="System.Int32, mscorlib">
-    <value>13</value>
+    <value>4</value>
   </data>
   <data name="&gt;&gt;cboPrecision.Name" xml:space="preserve">
     <value>cboPrecision</value>
@@ -460,7 +460,7 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;cboPrecision.ZOrder" xml:space="preserve">
-    <value>2</value>
+    <value>14</value>
   </data>
   <data name="label6.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
@@ -469,7 +469,7 @@
     <value>NoControl</value>
   </data>
   <data name="label6.Location" type="System.Drawing.Point, System.Drawing">
-    <value>13, 221</value>
+    <value>12, 337</value>
   </data>
   <data name="label6.Size" type="System.Drawing.Size, System.Drawing">
     <value>67, 13</value>
@@ -490,7 +490,7 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;label6.ZOrder" xml:space="preserve">
-    <value>1</value>
+    <value>13</value>
   </data>
   <data name="cboGuidingStyle.Items" xml:space="preserve">
     <value>Auto</value>
@@ -502,13 +502,13 @@
     <value>Pulse guiding</value>
   </data>
   <data name="cboGuidingStyle.Location" type="System.Drawing.Point, System.Drawing">
-    <value>86, 218</value>
+    <value>97, 334</value>
   </data>
   <data name="cboGuidingStyle.Size" type="System.Drawing.Size, System.Drawing">
     <value>90, 21</value>
   </data>
   <data name="cboGuidingStyle.TabIndex" type="System.Int32, mscorlib">
-    <value>15</value>
+    <value>5</value>
   </data>
   <data name="&gt;&gt;cboGuidingStyle.Name" xml:space="preserve">
     <value>cboGuidingStyle</value>
@@ -520,6 +520,354 @@
     <value>$this</value>
   </data>
   <data name="&gt;&gt;cboGuidingStyle.ZOrder" xml:space="preserve">
+    <value>12</value>
+  </data>
+  <data name="label7.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label7.Font" type="System.Drawing.Font, System.Drawing">
+    <value>Microsoft Sans Serif, 8.25pt, style=Bold</value>
+  </data>
+  <data name="label7.Location" type="System.Drawing.Point, System.Drawing">
+    <value>12, 176</value>
+  </data>
+  <data name="label7.Size" type="System.Drawing.Size, System.Drawing">
+    <value>66, 13</value>
+  </data>
+  <data name="label7.TabIndex" type="System.Int32, mscorlib">
+    <value>16</value>
+  </data>
+  <data name="label7.Text" xml:space="preserve">
+    <value>Telescope</value>
+  </data>
+  <data name="&gt;&gt;label7.Name" xml:space="preserve">
+    <value>label7</value>
+  </data>
+  <data name="&gt;&gt;label7.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label7.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label7.ZOrder" xml:space="preserve">
+    <value>11</value>
+  </data>
+  <data name="label8.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label8.Font" type="System.Drawing.Font, System.Drawing">
+    <value>Microsoft Sans Serif, 8.25pt, style=Bold</value>
+  </data>
+  <data name="label8.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
+    <value>NoControl</value>
+  </data>
+  <data name="label8.Location" type="System.Drawing.Point, System.Drawing">
+    <value>12, 393</value>
+  </data>
+  <data name="label8.Size" type="System.Drawing.Size, System.Drawing">
+    <value>52, 13</value>
+  </data>
+  <data name="label8.TabIndex" type="System.Int32, mscorlib">
+    <value>17</value>
+  </data>
+  <data name="label8.Text" xml:space="preserve">
+    <value>Focuser</value>
+  </data>
+  <data name="&gt;&gt;label8.Name" xml:space="preserve">
+    <value>label8</value>
+  </data>
+  <data name="&gt;&gt;label8.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label8.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label8.ZOrder" xml:space="preserve">
+    <value>10</value>
+  </data>
+  <data name="txtBacklashSteps.Location" type="System.Drawing.Point, System.Drawing">
+    <value>97, 411</value>
+  </data>
+  <data name="txtBacklashSteps.Size" type="System.Drawing.Size, System.Drawing">
+    <value>46, 20</value>
+  </data>
+  <data name="txtBacklashSteps.TabIndex" type="System.Int32, mscorlib">
+    <value>6</value>
+  </data>
+  <data name="txtBacklashSteps.Text" xml:space="preserve">
+    <value>3000</value>
+  </data>
+  <data name="&gt;&gt;txtBacklashSteps.Name" xml:space="preserve">
+    <value>txtBacklashSteps</value>
+  </data>
+  <data name="&gt;&gt;txtBacklashSteps.Type" xml:space="preserve">
+    <value>System.Windows.Forms.TextBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;txtBacklashSteps.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;txtBacklashSteps.ZOrder" xml:space="preserve">
+    <value>8</value>
+  </data>
+  <data name="label9.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label9.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
+    <value>NoControl</value>
+  </data>
+  <data name="label9.Location" type="System.Drawing.Point, System.Drawing">
+    <value>12, 414</value>
+  </data>
+  <data name="label9.Size" type="System.Drawing.Size, System.Drawing">
+    <value>79, 13</value>
+  </data>
+  <data name="label9.TabIndex" type="System.Int32, mscorlib">
+    <value>18</value>
+  </data>
+  <data name="label9.Text" xml:space="preserve">
+    <value>Backlash steps</value>
+  </data>
+  <data name="&gt;&gt;label9.Name" xml:space="preserve">
+    <value>label9</value>
+  </data>
+  <data name="&gt;&gt;label9.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label9.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label9.ZOrder" xml:space="preserve">
+    <value>9</value>
+  </data>
+  <data name="label10.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label10.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
+    <value>NoControl</value>
+  </data>
+  <data name="label10.Location" type="System.Drawing.Point, System.Drawing">
+    <value>149, 414</value>
+  </data>
+  <data name="label10.Size" type="System.Drawing.Size, System.Drawing">
+    <value>20, 13</value>
+  </data>
+  <data name="label10.TabIndex" type="System.Int32, mscorlib">
+    <value>20</value>
+  </data>
+  <data name="label10.Text" xml:space="preserve">
+    <value>ms</value>
+  </data>
+  <data name="&gt;&gt;label10.Name" xml:space="preserve">
+    <value>label10</value>
+  </data>
+  <data name="&gt;&gt;label10.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label10.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label10.ZOrder" xml:space="preserve">
+    <value>7</value>
+  </data>
+  <data name="label11.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label11.Font" type="System.Drawing.Font, System.Drawing">
+    <value>Microsoft Sans Serif, 8.25pt, style=Bold</value>
+  </data>
+  <data name="label11.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
+    <value>NoControl</value>
+  </data>
+  <data name="label11.Location" type="System.Drawing.Point, System.Drawing">
+    <value>12, 67</value>
+  </data>
+  <data name="label11.Size" type="System.Drawing.Size, System.Drawing">
+    <value>71, 13</value>
+  </data>
+  <data name="label11.TabIndex" type="System.Int32, mscorlib">
+    <value>21</value>
+  </data>
+  <data name="label11.Text" xml:space="preserve">
+    <value>Connection</value>
+  </data>
+  <data name="&gt;&gt;label11.Name" xml:space="preserve">
+    <value>label11</value>
+  </data>
+  <data name="&gt;&gt;label11.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label11.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label11.ZOrder" xml:space="preserve">
+    <value>6</value>
+  </data>
+  <data name="cbxReverseDirection.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="cbxReverseDirection.Location" type="System.Drawing.Point, System.Drawing">
+    <value>97, 437</value>
+  </data>
+  <data name="cbxReverseDirection.Size" type="System.Drawing.Size, System.Drawing">
+    <value>109, 17</value>
+  </data>
+  <data name="cbxReverseDirection.TabIndex" type="System.Int32, mscorlib">
+    <value>7</value>
+  </data>
+  <data name="cbxReverseDirection.Text" xml:space="preserve">
+    <value>Reverse direction</value>
+  </data>
+  <data name="&gt;&gt;cbxReverseDirection.Name" xml:space="preserve">
+    <value>cbxReverseDirection</value>
+  </data>
+  <data name="&gt;&gt;cbxReverseDirection.Type" xml:space="preserve">
+    <value>System.Windows.Forms.CheckBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;cbxReverseDirection.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;cbxReverseDirection.ZOrder" xml:space="preserve">
+    <value>5</value>
+  </data>
+  <data name="cbxDynamicBreaking.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="cbxDynamicBreaking.Location" type="System.Drawing.Point, System.Drawing">
+    <value>97, 460</value>
+  </data>
+  <data name="cbxDynamicBreaking.Size" type="System.Drawing.Size, System.Drawing">
+    <value>112, 17</value>
+  </data>
+  <data name="cbxDynamicBreaking.TabIndex" type="System.Int32, mscorlib">
+    <value>8</value>
+  </data>
+  <data name="cbxDynamicBreaking.Text" xml:space="preserve">
+    <value>Dynamic Breaking</value>
+  </data>
+  <data name="&gt;&gt;cbxDynamicBreaking.Name" xml:space="preserve">
+    <value>cbxDynamicBreaking</value>
+  </data>
+  <data name="&gt;&gt;cbxDynamicBreaking.Type" xml:space="preserve">
+    <value>System.Windows.Forms.CheckBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;cbxDynamicBreaking.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;cbxDynamicBreaking.ZOrder" xml:space="preserve">
+    <value>4</value>
+  </data>
+  <metadata name="toolTip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <data name="cbxRtsDtr.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="cbxRtsDtr.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
+    <value>NoControl</value>
+  </data>
+  <data name="cbxRtsDtr.Location" type="System.Drawing.Point, System.Drawing">
+    <value>97, 114</value>
+  </data>
+  <data name="cbxRtsDtr.Size" type="System.Drawing.Size, System.Drawing">
+    <value>112, 17</value>
+  </data>
+  <data name="cbxRtsDtr.TabIndex" type="System.Int32, mscorlib">
+    <value>1</value>
+  </data>
+  <data name="cbxRtsDtr.Text" xml:space="preserve">
+    <value>Enable RTS/DTR</value>
+  </data>
+  <data name="cbxRtsDtr.ToolTip" xml:space="preserve">
+    <value>Useful for Meade LS scopes</value>
+  </data>
+  <data name="&gt;&gt;cbxRtsDtr.Name" xml:space="preserve">
+    <value>cbxRtsDtr</value>
+  </data>
+  <data name="&gt;&gt;cbxRtsDtr.Type" xml:space="preserve">
+    <value>System.Windows.Forms.CheckBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;cbxRtsDtr.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;cbxRtsDtr.ZOrder" xml:space="preserve">
+    <value>3</value>
+  </data>
+  <metadata name="toolTip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <data name="label12.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label12.Location" type="System.Drawing.Point, System.Drawing">
+    <value>12, 205</value>
+  </data>
+  <data name="label12.Size" type="System.Drawing.Size, System.Drawing">
+    <value>72, 13</value>
+  </data>
+  <data name="label12.TabIndex" type="System.Int32, mscorlib">
+    <value>22</value>
+  </data>
+  <data name="label12.Text" xml:space="preserve">
+    <value>Site Elevation</value>
+  </data>
+  <data name="&gt;&gt;label12.Name" xml:space="preserve">
+    <value>label12</value>
+  </data>
+  <data name="&gt;&gt;label12.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label12.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label12.ZOrder" xml:space="preserve">
+    <value>2</value>
+  </data>
+  <data name="txtElevation.Location" type="System.Drawing.Point, System.Drawing">
+    <value>97, 202</value>
+  </data>
+  <data name="txtElevation.Size" type="System.Drawing.Size, System.Drawing">
+    <value>100, 20</value>
+  </data>
+  <data name="txtElevation.TabIndex" type="System.Int32, mscorlib">
+    <value>23</value>
+  </data>
+  <data name="&gt;&gt;txtElevation.Name" xml:space="preserve">
+    <value>txtElevation</value>
+  </data>
+  <data name="&gt;&gt;txtElevation.Type" xml:space="preserve">
+    <value>System.Windows.Forms.TextBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;txtElevation.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;txtElevation.ZOrder" xml:space="preserve">
+    <value>1</value>
+  </data>
+  <data name="label13.AutoSize" type="System.Boolean, mscorlib">
+    <value>True</value>
+  </data>
+  <data name="label13.Location" type="System.Drawing.Point, System.Drawing">
+    <value>203, 205</value>
+  </data>
+  <data name="label13.Size" type="System.Drawing.Size, System.Drawing">
+    <value>38, 13</value>
+  </data>
+  <data name="label13.TabIndex" type="System.Int32, mscorlib">
+    <value>24</value>
+  </data>
+  <data name="label13.Text" xml:space="preserve">
+    <value>meters</value>
+  </data>
+  <data name="&gt;&gt;label13.Name" xml:space="preserve">
+    <value>label13</value>
+  </data>
+  <data name="&gt;&gt;label13.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="&gt;&gt;label13.Parent" xml:space="preserve">
+    <value>$this</value>
+  </data>
+  <data name="&gt;&gt;label13.ZOrder" xml:space="preserve">
     <value>0</value>
   </data>
   <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
@@ -529,7 +877,7 @@
     <value>6, 13</value>
   </data>
   <data name="$this.ClientSize" type="System.Drawing.Size, System.Drawing">
-    <value>350, 313</value>
+    <value>350, 520</value>
   </data>
   <data name="$this.StartPosition" type="System.Windows.Forms.FormStartPosition, System.Windows.Forms">
     <value>CenterScreen</value>
@@ -537,6 +885,12 @@
   <data name="$this.Text" xml:space="preserve">
     <value>Meade.net Setup</value>
   </data>
+  <data name="&gt;&gt;toolTip1.Name" xml:space="preserve">
+    <value>toolTip1</value>
+  </data>
+  <data name="&gt;&gt;toolTip1.Type" xml:space="preserve">
+    <value>System.Windows.Forms.ToolTip, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="&gt;&gt;$this.Name" xml:space="preserve">
     <value>SetupDialogForm</value>
   </data>
diff --git a/Meade.net/SharedResources.cs b/Meade.net/SharedResources.cs
index dbe28f5..625e9ed 100644
--- a/Meade.net/SharedResources.cs
+++ b/Meade.net/SharedResources.cs
@@ -75,6 +75,7 @@ namespace ASCOM.Meade.net
             set => _profileFactory = value;
         }
 
+        //todo add code to ensure that there is a minimum gap between commands. 5ms as default.
         public static void SendBlind(string message)
         {
             lock (LockObject)
@@ -136,10 +137,15 @@ namespace ASCOM.Meade.net
 
         // Constants used for Profile persistence
         private const string ComPortProfileName = "COM Port";
+        private const string RtsDtrProfileName = "Rts / Dtr";
         private const string TraceStateProfileName = "Trace Level";
         private const string GuideRateProfileName = "Guide Rate Arc Seconds Per Second";
         private const string PrecisionProfileName = "Precision";
         private const string GuidingStyleProfileName = "Guiding Style";
+        private const string BacklashCompensationName = "Backlash Compensation";
+        private const string ReverseFocusDirectionName = "Reverse Focuser Direction";
+        private const string DynamicBreakingName = "Dynamic Breaking";
+        private const string SiteElevationName = "Site Elevation";
 
         public static void WriteProfile(ProfileProperties profileProperties)
         {
@@ -150,19 +156,28 @@ namespace ASCOM.Meade.net
                     driverProfile.DeviceType = "Telescope";
                     driverProfile.WriteValue(DriverId, TraceStateProfileName, profileProperties.TraceLogger.ToString());
                     driverProfile.WriteValue(DriverId, ComPortProfileName, profileProperties.ComPort);
+                    driverProfile.WriteValue(DriverId, RtsDtrProfileName, profileProperties.RtsDtrEnabled.ToString());
                     driverProfile.WriteValue(DriverId, GuideRateProfileName, profileProperties.GuideRateArcSecondsPerSecond.ToString(CultureInfo.InvariantCulture));
                     driverProfile.WriteValue(DriverId, PrecisionProfileName, profileProperties.Precision);
                     driverProfile.WriteValue(DriverId, GuidingStyleProfileName, profileProperties.GuidingStyle);
+                    driverProfile.WriteValue(DriverId, BacklashCompensationName, profileProperties.BacklashCompensation.ToString());
+                    driverProfile.WriteValue(DriverId, ReverseFocusDirectionName, profileProperties.ReverseFocusDirection.ToString());
+                    driverProfile.WriteValue(DriverId, DynamicBreakingName, profileProperties.DynamicBreaking.ToString());
+                    driverProfile.WriteValue(DriverId, SiteElevationName, profileProperties.SiteElevation.ToString());
                 }
             }
         }
 
         private const string ComPortDefault = "COM1";
+        private const string RtsDtrDefault = "false";
         private const string TraceStateDefault = "false";
         private const string GuideRateProfileNameDefault = "10.077939"; //67% of sidereal rate
         private const string PrecisionDefault = "Unchanged";
         private const string GuidingStyleDefault = "Auto";
-        
+        private const string BacklashCompensationDefault = "3000";
+        private const string ReverseFocuserDiectionDefault = "true";
+        private const string DynamicBreakingDefault = "true";
+        private const string SiteElevationDefault = "0";
 
         public static ProfileProperties ReadProfile()
         {
@@ -173,10 +188,15 @@ namespace ASCOM.Meade.net
                 {
                     driverProfile.DeviceType = "Telescope";
                     profileProperties.ComPort = driverProfile.GetValue(DriverId, ComPortProfileName, string.Empty, ComPortDefault);
+                    profileProperties.RtsDtrEnabled = Convert.ToBoolean(driverProfile.GetValue(DriverId, RtsDtrProfileName, string.Empty, RtsDtrDefault));
                     profileProperties.TraceLogger = Convert.ToBoolean(driverProfile.GetValue(DriverId, TraceStateProfileName, string.Empty, TraceStateDefault));
                     profileProperties.GuideRateArcSecondsPerSecond = double.Parse(driverProfile.GetValue(DriverId, GuideRateProfileName, string.Empty, GuideRateProfileNameDefault), NumberFormatInfo.InvariantInfo);
                     profileProperties.Precision = driverProfile.GetValue(DriverId, PrecisionProfileName, string.Empty, PrecisionDefault);
                     profileProperties.GuidingStyle = driverProfile.GetValue(DriverId, GuidingStyleProfileName, string.Empty, GuidingStyleDefault);
+                    profileProperties.BacklashCompensation = Convert.ToInt32(driverProfile.GetValue(DriverId, BacklashCompensationName, string.Empty, BacklashCompensationDefault));
+                    profileProperties.ReverseFocusDirection = Convert.ToBoolean(driverProfile.GetValue(DriverId, ReverseFocusDirectionName, string.Empty, ReverseFocuserDiectionDefault));
+                    profileProperties.DynamicBreaking = Convert.ToBoolean(driverProfile.GetValue(DriverId, DynamicBreakingName, string.Empty, DynamicBreakingDefault));
+                    profileProperties.SiteElevation = Convert.ToInt32(driverProfile.GetValue(DriverId, SiteElevationName, string.Empty, SiteElevationDefault));
                 }
 
                 return profileProperties;
@@ -260,8 +280,8 @@ namespace ASCOM.Meade.net
                     {
                         var profileProperties = ReadProfile();
                         SharedSerial.PortName = profileProperties.ComPort;
-                        SharedSerial.DTREnable = false;
-                        SharedSerial.RTSEnable = false;
+                        SharedSerial.DTREnable = profileProperties.RtsDtrEnabled;
+                        SharedSerial.RTSEnable = profileProperties.RtsDtrEnabled;
                         SharedSerial.DataBits = 8;
                         SharedSerial.StopBits = SerialStopBits.One;
                         SharedSerial.Parity = SerialParity.None;
@@ -271,8 +291,8 @@ namespace ASCOM.Meade.net
 
                         try
                         {
-                            ProductName = SendString(":GVP#");
-                            FirmwareVersion = SendString(":GVN#");
+                            ProductName = SendString("#:GVP#");
+                            FirmwareVersion = SendString("#:GVN#");
                         }
                         catch (Exception ex)
                         {
@@ -289,6 +309,28 @@ namespace ASCOM.Meade.net
 
                             throw new Exception("Serial port is looping back data, something is wrong with the hardware.");
                         }
+
+                        try
+                        {
+                            string utcOffSet = SendString("#:GG#");
+                            //:GG# Get UTC offset time
+                            //Returns: sHH# or sHH.H#
+                            //The number of decimal hours to add to local time to convert it to UTC. If the number is a whole number the
+                            //sHH# form is returned, otherwise the longer form is returned.
+                            if (!double.TryParse(utcOffSet, out var utcOffsetHours))
+                            {
+                                var message = "Unable to decode response from the telescope, This is likely a hardware serial communications error.";
+                                traceLogger.LogIssue("Connect", message);
+                                throw new Exception(message);
+                            }
+
+                            traceLogger.LogMessage("Connect", $"Offset from UTC: {utcOffsetHours}", false);
+                        }
+                        catch (Exception)
+                        {
+                            SharedSerial.Connected = false;
+                            throw;
+                        }
                     }
                 }
                 else
diff --git a/Meade.net/TelescopeList.cs b/Meade.net/TelescopeList.cs
index 61e4293..440c4bd 100644
--- a/Meade.net/TelescopeList.cs
+++ b/Meade.net/TelescopeList.cs
@@ -4,30 +4,30 @@
     {
         #region Autostar 497/Audiostar
 
-        public static readonly string Autostar497 = "Autostar";
+        public const string Autostar497 = "Autostar";
 
         //Autostar/Audiostar firmware revisions
         // ReSharper disable once InconsistentNaming
-        public static readonly string Autostar497_30Ee = "30Ee";
+        public const string Autostar497_30Ee = "30Ee";
         // ReSharper disable once InconsistentNaming
-        public static readonly string Autostar497_31Ee = "31Ee";
+        public const string Autostar497_31Ee = "31Ee";
         // ReSharper disable once InconsistentNaming
-        public static readonly string Autostar497_43Eg = "43Eg";
+        public const string Autostar497_43Eg = "43Eg";
 
         #endregion
 
         #region LX200GPS
 
         // ReSharper disable once InconsistentNaming
-        public static readonly string LX200GPS = "LX2001";
+        public const string LX200GPS = "LX2001";
 
         // ReSharper disable once InconsistentNaming
-        public static readonly string LX200GPS_42G = "4.2G";
+        public const string LX200GPS_42G = "4.2G";
         #endregion
 
         #region LX200EMC
         // ReSharper disable once InconsistentNaming
-        public static readonly string LX200CLASSIC = "LX200 Classic"; //GVP command is not supported!
+        public const string LX200CLASSIC = "LX200 Classic"; //GVP command is not supported!
         #endregion
     }
 }
diff --git a/Meade.net/app.config b/Meade.net/app.config
index c5e1dae..5c22b42 100644
--- a/Meade.net/app.config
+++ b/Meade.net/app.config
@@ -1,3 +1,3 @@
 <?xml version="1.0"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup></configuration>
diff --git a/Meade.net/packages.config b/Meade.net/packages.config
index a842451..6ea2d84 100644
--- a/Meade.net/packages.config
+++ b/Meade.net/packages.config
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ASCOM.Platform" version="6.4.2" targetFramework="net40" />
+  <package id="ASCOM.Platform" version="6.5.1" targetFramework="net472" />
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/TelescopeTestConsole/TelescopeTestConsole.csproj b/TelescopeTestConsole/TelescopeTestConsole.csproj
index 9ecfa82..8a979b0 100644
--- a/TelescopeTestConsole/TelescopeTestConsole.csproj
+++ b/TelescopeTestConsole/TelescopeTestConsole.csproj
@@ -59,6 +59,9 @@
   <ItemGroup>
     <Reference Include="ASCOM.DeviceInterfaces, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
     <Reference Include="ASCOM.DriverAccess, Version=6.0.0.0, Culture=neutral, PublicKeyToken=565de7938946fba7, processorArchitecture=MSIL" />
+    <Reference Include="JetBrains.Annotations, Version=2020.3.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\packages\JetBrains.Annotations.2020.3.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -72,6 +75,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
+    <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/TelescopeTestConsole/packages.config b/TelescopeTestConsole/packages.config
new file mode 100644
index 0000000..97cf0c3
--- /dev/null
+++ b/TelescopeTestConsole/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="JetBrains.Annotations" version="2020.3.0" targetFramework="net45" />
+</packages>
\ No newline at end of file
diff --git a/nuget.config b/nuget.config
new file mode 100644
index 0000000..554c2f6
--- /dev/null
+++ b/nuget.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+</configuration>
\ No newline at end of file