GPS n 1: a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver [syn: {Global Positioning System}, GPS] Global Positioning System GPS <communications> (GPS) A system for determining postion on the Earth's surface by comparing radio signals from several satellites. When completed the system will consist of 24 satellites equipped with radio transmitters and atomic clocks. Depending on your geographic location, the GPS receiver samples data from up to six satellites, it then calculates the time taken for each satellite signal to reach the GPS receiver, and from the difference in time of reception, determines your location. ["Global Positioning by Satellite"? Precison? Coverage? Web page?] (1998-02-10)
Global Positioning System: an electronic system using a network of satellites to indicate on a computerized receiver the position of a vehicle, ship, person, etc.
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