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    Re: Turning Off the GPS
    From: Robert Gainer
    Date: 2006 Apr 4, 18:36 -0400

    Kill the GPS system? That would be bad; I would lose my source of GMT for sight reduction. 
    Robert Gainer
    
    >
    > From: Gordon Talge 
    > Date: 2006/04/04 Tue PM 05:10:16 EDT
    > To: NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM
    > Subject: Turning Off the GPS
    >
    > Just for the heck of it, I wonder what would happen,
    > if some terrorists managed to turn off the GPS system, or
    > maybe even better, have it give the wrong positions.
    >
    > I have noticed that a lot of people seem to say they keep
    > a sextant and tables, etc, for backup. The problem that I
    > see with that is it takes a lot of practice to get good at using a
    > sextant and working out sights by hand. Someone who has
    > only tried out their sextant on a calm day or on the beach,
    > may find it hard to get a decent shot on a pitching boat
    > or ship, and then work out a sight where one slip of a
    > plus or minus, or wrong column, would make it all for naught.
    >
    > BTW,
    >
    > Has anyone seen those German films of the U-Boats during World War II
    > in the North Atlantic pitching and rolling? I start getting seasick
    > just watching it. I saw one where a German Officer was taking a noon
    > sight on a sub like that. They may have been the enemy, but they
    > sure had guts. (It took guts to stand up to them too)
    >
    > -- Gordon
    >
    
    
    

       
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