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    Re: watch as compass
    From: James R. Van Zandt
    Date: 2007 Jul 28, 22:41 -0400

    
     Frank Reed  wrote
    >   Finally, the Sun can indeed be used as an accurate compass if you know
    >   the local time, but you need to know a little basic astronomy to get
    >   it right. I won't go into details on this. I just wanted to point out
    >   that the watch trick can go very badly wrong in some latitudes at some
    >   times of the year. It's "better than nothing" but not much.
    
    You don't even need the local time - just a stick and a piece of level
    ground.  Poke a stick in the ground and mark where the end of its
    shadow falls.  Wait.  The shadow will move directly east.
    
    Of course, checking your directions this way very often will slow your
    progress.
    
              - Jim Van Zandt
    
    
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