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Selective Availability

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Selective Availability - definition(s)

selective availability - [GPS] The intentional degradation by the U.S. Department of Defense of the GPS signal for civilian receivers, which could cause errors in position of up to 100 meters. Selective availability (S/A) was removed from the civilian signal in May 2000. Since the lifting of S/A restrictions, position accuracy levels have improved to 20 meters or less.

[Category=Geospatial ]

Source: esri, 13 August 2012 09:12:46, External 

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