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    Re: GPS Accuracy Now.
    From: Philip Ouvry
    Date: 2000 May 02, 18:57 EDT

    For maritime users in small craft a GPS accuracy of 100 metres is more than
    sufficient.   Provided you can find the fairway or safe water buoy at the
    approaches to ones destination or the entrance to the harbour, it is far safer
    to navigate by sight (i.e. pilotage) rather than by 'head-down' reference to the
    GPS.
    Out at sea an accuracy of one mile is quite sufficient.
    There are occasions when a greater accuracy would be useful such as an anchor
    position in a crowded anchorage.    There is no real need to know the boat's
    position to an accuracy of 30 metres or less.
    Philip Ouvry
    

       
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