Global Positioning System
<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)
Nearby terms:
global index « globalisation « Global Network
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