With a GPS connected to a mobile ham radio, transmitting on the Automatic Position Reporting System frequency, you can broadcast your current position as you drive.   A series of digital ham radio repeaters and an internet gateways collect position reporting data from the mobile ham radio.   Through a web site developed by Steve Dimse, you can follow me on a map.   I usually only transmit APRS data during a trip so you may not see my position right now.

In a fairly new development I am using a cell phone to send position data to Steve's website.   This allows me to show you a map and possibly a photo while traveling.   Click here to see.

If your interested in GPS equipment, I favor the line of GPS products from Garmin International.