[time-nuts] GPS from a window seat

Predrag Dukic stijena at tapko.de
Fri Oct 2 05:53:38 UTC 2009






In fact, I think those limitations come from DoD.....

(to insure GPS cannot be used for some home made missile)




At 21:27 1.10.2009, you wrote:
> > Check the specs on your GPS...  many consumer GPS units will not work at
> > airplane velocities/altitudes.   GPS manufacturers don't want you using a
> > non aviation certified unit for airplane navigation  (plus they get big
> > bucks for the aviation units).
>
>The limitations implemented is either 60kft or (sometimes both) 1k knots.
>Both of these are out of reach for (current) commercial airliners. What
>GPS receivers did you test that used stricter limitations?
>
>--
>
>    Björn
>
>PS a random link to the CoCom limitations
>
>     http://en.wikipedia.org/wiki/CoCom
>
>DS
>
>
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