The longitude (degrees, positive East, WGS84) of the site at which the telescope is located.Namespace: ASCOM.DeviceInterface
Assembly: ASCOM.DeviceInterfaces (in ASCOM.DeviceInterfaces.dll) Version: 126.96.36.199 (188.8.131.5219)
Setting this property will raise an error if the given value is outside the range -180 to +180 degrees. Reading the property will raise an error if the value has never been set or is otherwise unavailable. Note that West is negative!
This is only available for telescope InterfaceVersions 2 and 3