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    Re: GPS trick: compass rose waypoint
    From: Bill B
    Date: 2010 Feb 15, 22:13 -0500

    > If you're doing ordinary small boat sailing on a local chart, enter the
    > coordinates of the center of the compass rose on the chart as a waypoint in
    > your backup handheld GPS unit. Then you can ask it for bearing and distance
    > from that waypoint at any time.
    
    I too have been doing this since I obtained my first GPs, about ten years
    ago.
    
    On my Great Lakes Charts once a logical area for the compass rose is
    determined, its placement in the area seems almost random. The center of the
    rose does not seem to "snap" to any major or minor latitude or longitude
    lines.
    
    Any ideas of how a cartographer decides the exact location of the roses?
    
    Bill B.
    
    
    
    
    

       
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