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TeachMeFinance.com - explain global positioning system (gps) global positioning system (gps) The term 'global positioning system (gps)' as it applies to the area of coastlines can be defined as ' a navigational and positioning system developed by the u.s. department of defense, by which the location of a position on or above the earth can be determined by a special receiver at that point interpreting signals received simultaneously from several of a constellation of special satellites'.The term 'global positioning system (gps)' as it applies to the area of Earth observation can be defined as ' A system consisting of 25 satellites in 6 orbital planes at 20,000 km altitude with 12 hr periods, used to provide highly precise position, velocity and time information to users anywhere on Earth or in its neighborhood at any time'. The term 'global positioning system (gps)' as it applies to the area of telecommunications can be defined as 'A US satellite system that lets those on the ground, on the water or in the air determine their position with extreme accuracy using GPS receivers'. About the author
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