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Happy Birthday GPS

GeocachingTwelve years ago geocaching suddenly became useful to citizens. Prior to May 2, 2000, the GPS satellite network had a “feature” called Selective Availability that provided an intentional degradation of the GPS signal so that only the military could use it with accuracy.  When President Clinton signed an order to permanently turn off the feature, civilian GPS devices instantly became 10 times more accurate. The first geocache was placed in the state of Oregon the next day. It was hidden in the U.S. state of Oregon on May 3, 2000. As of today, there are more than 1.7 million active geocaches and more than 5 million geocachers worldwide. There are quite a few postings here in patrickWeb about geocaching, and the homepage for geocaching is here. It is a great sport for young and old.