How GPS works

Global Positioning System

How GPS works

This video gives you a simple overview of the current GPS system and how it works. It also introduces other GPS systems from, Russia, Europe and China.
Global Positioning System Video Rating: 4 / 5

How to convert a mobile phone to GPS device?

I want to track my location using Global Positioning System, through my cell phone. Are there softwares available to enable such a feature. Lastly, how do these softwares detect my position.

Global Positioning System best answer:

Answer by HDN
I know some people who have used this and liked it:

I guess they locate you by your position relative to cell towers.