ALSO CALLED: Global Positioning Systems DEFINITION: The GPS (Global Positioning System) is a "constellation" of 24 well-spaced satellites that orbit the Earth and make it possible for people with ground receivers to pinpoint their geographic location. The location accuracy is anywhere from 100 to 10 meters for most equipment. Accuracy can be pinpointed
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Posted: 24 Jul 2008 | Premiered: Available On Demand
GPS DEFINITION (continued): … to within one (1) meter with special military-approved equipment. GPS equipment is widely used in science and has now become sufficiently low-cost so that almost anyone can own a GPS receiver.
The GPS is owned and operated by the U.S. Department of Defense but is available for general use around the world. Briefly, here's how it works:
21 GPS satellites and three spare satellites are in orbit at 10,600 miles above the Earth. The satellites are spaced so that from any point on Earth, … GPS definition sponsored by SearchMobileComputing.com, powered by WhatIs.com an online computer dictionary
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