Geocaching.com
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Author: Tonia Jordan
It all started on May 2, 2000 with the removal of selective availability by the White House. (Selective Availability is the intentional modification of GPS signal to degrade accuracy of readings) At that moment, the GPS receiver became 10 times more accurate.
GPS, or Global Positioning System is a navigational system which operates through the use of twenty-four satellites positioned around the globe in low Earth orbit. These satellites were [...]
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