> If you're picking up a GPS for the first time, make sure you know the > difference between a GPS with an electronic compass and a GPS that > figures out direction based on motion. If you don't have an > electronic compass, the compass direction indicated by the GPS relies > on the GPS moving at a significant speed to interpret compass > directions based on relative locations of adjacent position readings. > If you're sitting still or moving very slowly, the apparent compass > orientation may be meaningless. A lot of paddlers I know stop > paddling to confirm locations with map and compass. This expalins why I sometimes noticed a significant discrepancy between the direction shown by my non-compass GPS and actual direction to waypoint when paddling. I thought GPS calculated the direction using calculated location of the kayak and known location of the waypoint. *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Thu Sep 02 2004 - 21:08:43 PDT
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