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    Re: Gps
    From: Colin Dykstra
    Date: 2003 Feb 11, 18:35 -0500



    This is _totally_ implementation specific.  As has been mentioned in past posts, different manufactures treat the GC problem differently.  From a very casual observation, the more “marine” versions tend to always default to a GC route and the leisure markets go for rhumb-line courses.  Gary, I am struck, however, that you’ve been looking at a single unit and haven’t really played with a selection of implementations.


    I use three separate units on board.  Two hardwired (Raymarine 120, and a MLR Differential unit) as well as a handheld Garmin 48.  I also use two chart plotters (Raymarine 520 and Raytech software).  The chart plotters all default to great circle routes and only use the current position as input from the GPS units (as well as COG, SOG, etc.)




    -----Original Message-----
    From: Navigation Mailing List [mailto:NAVIGATION-L@LISTSERV.WEBKAHUNA.COM] On Behalf Of Gary Harkins
    Sent: February 11, 2003 6:16 PM
    Subject: Re: GPS


    In a message dated 2/11/2003 9:12:52 AM Eastern Standard Time, pboucher@LAVOILE.COM writes:

    And in the same Line tab (same GPS model), if you turn off the Course line,
    you end up with only the "rumb line" to your destination.

    Which is not where the GPS is going to take you!

    Gary Harkins C400 #140 "Cygnus"
    Website   http://www.hometown.aol.com/htycgary/myhomepage/index.html
    Harbour Towne Marina, Muskegon, Michigan Slip C-28
    Harbour Towne Yacht Club, Life Member
    C400 National Association
    United States Power Squadrons-JN

    NRA Life Member
    MCRGO (Michigan Coalition for Responsible Gun Owners)
    JPFO (Jews for the Preservation of Firearms Ownership)

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