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    Re: What precision is required in cel nav?
    From: John D. Howard
    Date: 2015 Jul 17, 16:58 -0700

    A big THANK YOU to all that responded to my queston.  Never having sailed or done navigation on a boat it is hard sometimes to rember how slow a boat is vis-a-vis what I flew.  The thought of spending 30 minutes on multi shots so to get a much better fix is starting to make sense.  Even after an hour you will still be within ten or fifteen miles of the fix, not 400 mi.

    Frank Reed's response leads me to another question.  Do boats have short range nav capibility other than GPS ?  What I mean by short range is one to two hundred miles.  When I got a lock-on to Koko Head VOR at 195 mi. I was home free - clouds be dammed.

    I know a boat is low (sea level ? ) and cannot pick up line of sight nav aids very far out.  I seem to rember LORAN not being avaible any more.

    Thanks again and forgive an old fly boy of his lack of knowledge.  I have loved cel nav since the early '70s.

    John H.

       
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