Harlan Stenn <st...@ntp.org> wrote:
> GPS can be done very affordably and can offer great time.  There are
> several *potential* pitfalls:
> 
> - It is *possible* for the US Gov't to detune the GPS system (locally or
>  in-general).  Since GPS is now increasingly used for "human safety"
>  things, the costs/risks for doing this have gone up significantly so
>  this risk may now be more of a threat than a reality

GPS aviation navigation is now so deeply entrenched that if you live near
a major airport the US Gov't "detunes" GPS, you will have much bigger
things to worry about than the current time and should start filling
things with water...



-- 
Jim Pennino

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