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Selective Availability (SA) was a feature of the Global Positioning System (GPS) that intentionally degraded the accuracy of civilian GPS signals to about 100 meters, primarily to prevent potential military adversaries from using precise GPS for strategic purposes. It was discontinued on May 2, 2000, by President Bill Clinton, as a response to both the growing demand for accurate GPS technology in civilian applications and the recognition that advanced military capabilities had rendered SA unnecessary. The removal of SA allowed for more precise navigation and positioning services, benefiting industries like aviation, agriculture, and transportation.

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