Tracking and Data Relay Satellite

Satellite tracking devices are best used to locate vehicles in real time. This technology can be useful to companies for tracking shipments. Satellite tracking device can also be useful if you have it installed in your vehicle and your vehicle is stolen. The following website offers some detail as to how this technology works, http://en.wikipedia.org/wiki/Tracking_device

When radar stations on the Earth monitor the location and movements of satellites, they are said to be tracking the satellites.

You can find satellite tracking devices at any electronic store such as Best Buy or Circuit City. Also, you can always buy them online, for best deals.

Here's a link to a website that offers a lot of interesting information to learn about GPS satellite tracking. http://www.edu-observatory.org/gps/tracking.html