GPSs alone cannot be used to track people. A GPS RECIEVER is exactly that, only a reciever. It simply recieves time signals from several satellites, and does math on the differences between them (due to the speed of the signal and the distances between you and the satellites) to determine your position.
Reader Comments (Page 1 of 1)
Martin Overstrom @ Jan 25th 2006 9:41PM
GPSs alone cannot be used to track people. A GPS RECIEVER is exactly that, only a reciever. It simply recieves time signals from several satellites, and does math on the differences between them (due to the speed of the signal and the distances between you and the satellites) to determine your position.