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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@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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