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    • Differential GPS Bids Us Adieu by Bill Parlatore

      Our thanks to Bill Parlatore for permitting Cruisers Net to share articles from his excellent blog, Following Seas

      Monday Minute – Differential GPS Bids Us Adieu
      If you are an “experienced” cruiser (aka old person) you probably remember the days of Selective Availability (SA) and intentionally reduced GPS accuracy. The military only let us know our location within 100 meters. This continued for years, despite ongoing pleas from the FAA and USCG to provide everyone with the accuracy available from the GPS satellite system. It took a jetliner being shot down to turn off this reduced-accuracy SA. Today we could not live without accurate GPS information. At home, on the road, and on the water. Read more…
      Bill Parlatore

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