Google Earth on the PC has the ability to not only read KML/KMZ files but to periodically read them as well. This feature can be used with Share GPS for real-time location tracking with the additional features of KML. Follow the steps below for setup:

1. Start Google Earth and go to Add->Network Link.
   
   
   
   
2. Under Name, enter the name desired to be used under Places.
3. Under Link, enter a valid URL for the KMZ file or press Browse and navigate to the file on the fileystem.
4. Go to the Refresh tab and select Periodically under Time-Based Refresh.
5. If desired, select Fly to View on Refresh to follow the Placemark as it moves.
6. Click Ok. The KML should show under places and update on the map.