start download Easy GPS Tester Software for PC free. You can get information about detected USB or serial GPS devices on your computer.
From GlobalPositioningSystems.co.uk: Easy GPS Tester will automatically detect your USB or serial GPS device and display the COM port and baud rate settings required to use it. It will also show your current latitude, longitude and altitude, and information about GPS signal strength and the satellites in view. It is ideal for testing your GPS before using it with sat nav software, or if you think your GPS is faulty and not picking up satellites.