Gps tracker for mobile phone

[Shanbaag]

I am looking for device or software which works as gps tracker. I also want to know the working of gps tracker. Is there any software which show physical position of user while moving on Google Map.

[Pugsly]

A GPS receiver calculates its position by measuring the distance between itself and three or more GPS satellites.GSM mobile phone tracking system via the GPS-TRACK satellite network Based on repeater triangulation, the system tracks mobile phones using GPS and GSM technology.

[Regina]

GPS TrackMaker is a communication program to connect GPS to PC. GPS Tracker is application for GPS data visualization using Virtual Earth. Track a GPS enabled cell phone on Google maps. Project includes J2ME cell phone source and source code to display data on your own website.

[Gonzo]

Google Maps with GPS Tracker 19.0 , Show your physical position in real-time on a moving Google Map. A small application on your pc uploads your GPS position periodically over either GPRS or 3G, which updates your position on a moving Google Map.