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Old 09-11-2008, 01:47 AM
tomgreag tomgreag is offline
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Thumbs up RE : How does car gps works?

Car GPS or Global Positioning System was first implemented in the year 1978 by the United States Department of Defense. GPS receivers obtain information from 4 different satellites and make use of it to compute its own location by comparing its own time with the given time of the satellites.
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