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Land Ops ARC
 Expedition communications, overland navigation, teamwork challenges

GPS Settings

  • 10 Jan 2016 3:39 PM
    Message # 3751082
    Tim Sperry (Administrator)

    When we are setting up our GPS units what should our default settings be for the following units:

    Position Format

    Map Datum


    North Reference

  • 11 Jan 2016 8:55 PM
    Reply # 3753290 on 3751082

    Position Format ; dd.dddddd (Degree and decimal degrees).

    I think the rest are personal preference.

  • 11 Jan 2016 9:03 PM
    Reply # 3753291 on 3751082

    Here is some info on Map Datums:


  • 12 Jan 2016 12:53 PM
    Reply # 3755094 on 3751082
    Jim Biram (Administrator)

    Generally Magnetic North or Auto Magnetic, depending on your GPS device should work best for what we do.  My personal preference is to also set the map orientation to the direction of travel, rather than maintaining north as the "top" of the map.  That way as you move in a direction, the top of the map on screen shows the map in that direction and the map moves from top to bottom of the screen. 

  • 12 Jan 2016 1:01 PM
    Reply # 3755098 on 3751082
    Jim Biram (Administrator)

    Check out




    The website GPS Tracklog is full of good information regarding GPS units, as well as links to deals, etc.  In the case of Garmin units, you don't need to spend the money to buy their topo maps, which are crap, but you can download some great maps for free.

  • 08 Feb 2016 7:42 PM
    Reply # 3807868 on 3751082
    Deleted user

    I like to keep the North Reference point up at all times, that way I know where I am on the whole map rather than try to orient the map in my mind to know what direction I am going and where the waypoint is supposed to be.  Everybody has thier preference but this would be my recommendation.  I say this because when communicating to other members, you will need to know direction based on N, E, S, or West from your position.

  • 08 Feb 2016 7:52 PM
    Reply # 3807889 on 3751082
    Deleted user

    Very important to keep your Map Datum set to WGS84.

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