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    Re: GPS and Great Circle
    From: Rodney Myrvaagnes
    Date: 2002 Oct 8, 12:56 -0500

    That would depend on the firmware in your particular GPS receiver. You
    could determine the answer by asking it to point to a series of
    waypoints all at your current lattitude. If it calculates great circle
    the initial heading will be more toward the nearer pole for the more
    distant waypoints. If not, it will point true east or west for all of
    On Tue, 8 Oct 2002 09:41:00 -0700, Joe Winlock wrote:
    >I am a lurker in this group and actually know only a smidge celestial
    >navigation. I hope my question is not out of place here. I am curious
    >whether my GPS follows the great circle route or Mercator rumb line when
    >plotting long distance courses?
    >Thanks for patience with the dummy,
    Rodney Myrvaagnes                        J36 Gjo/a
    "If Brecht had directed 'Waiting for Godot,'  he would have hung a large sign 
    at the back of the stage reading 'He's not going to come, you know. ' "   -- 
    Terry Eagleton

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