diff --git a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
index 2180770..b33b9d7 100644
--- a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
+++ b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
@@ -142,7 +142,7 @@ namespace Meade.net.Telescope.UnitTests
             _sharedResourcesWrapperMock.Setup(x => x.SendString("GL", false)).Returns(() => _testProperties.telescopeTime);
             _sharedResourcesWrapperMock.Setup(x => x.SendString("GG", false)).Returns(() => _testProperties.telescopeUtcCorrection);
 
-            const string siderealTrackingRate = "60.1";
+            const string siderealTrackingRate = "+60.1";
             _testProperties.TrackingRate = siderealTrackingRate;
             _sharedResourcesWrapperMock.Setup(x => x.SendString("GT", false)).Returns(() => _testProperties.TrackingRate);
             _sharedResourcesWrapperMock.Setup(x => x.SendBlind("TL", false)).Callback(() => _testProperties.TrackingRate = "lunar");
diff --git a/Meade.net.Telescope/Telescope.cs b/Meade.net.Telescope/Telescope.cs
index f35dfcc..0fe0260 100644
--- a/Meade.net.Telescope/Telescope.cs
+++ b/Meade.net.Telescope/Telescope.cs
@@ -2645,7 +2645,7 @@ namespace ASCOM.Meade.net
                 //Current Track Frequency expressed in hertz assuming a synchonous motor design where a 60.0 Hz motor clock
                 //    would produce 1 revolution of the telescope in 24 hours.
 
-                DriveRates result = rate == "60.1" ? DriveRates.driveSidereal : DriveRates.driveLunar;
+                DriveRates result = rate == "+60.1" ? DriveRates.driveSidereal : DriveRates.driveLunar;
 
                 LogMessage("TrackingRate Get", $"{rate} {result}");