July 2, 2009
GPS (Global Positioning System) is the only Global Navigation Satellite System that is completely functional right now. GPS is an invention of United States Department of Defense and 50th Space Wing, United States Air Force manages it. GPS became fully operational, for the first time ever, on the 27th of April in 1995 and ever since its inception it’s become the most extensively used technology feature for surveying, map-making, tracking and commerce. Today, it is most commonly used as a navigation tool around the world with its latest use coming up as a pet tracking system.
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