No subject

Fri Oct 9 21:52:43 UTC 2009

easily wipe out GPS w/in a mile or more for a week or longer.



> I've read and heard from this forum as well as a number of other sources
> that GPS can be easily jammed.  What makes GPS so vulnerable?  How can it
> be
> jammed?
>  --
> David
> masondg44 at comcast dot net
> From: Francesco Ledda <frledda at>
> Subject: Re: [time-nuts] The Demise of LORAN (was Re: Reference
> oscillator accuracy)
> To: Discussion of precise time and frequency measurement
> <time-nuts at>
> Cc: "time-nuts at" <time-nuts at>
> Message-ID: <E3E7BC70-4087-4E64-A713-61E8524B5EFA at>
> Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes
> AOPA is pushing congress to repristinate funding for LORAN. General
> aviation is probably the heaviest user on this Nav system. The
> aviation user community would love to see Nav systems with integrated
> LORAN and GPS capabilty, but the industry has done little in this
> area, due to lack of government commitment to LORAN. The FAA knows the
> GPS can be easily jammed, but has done nothing do push LORAN as the
> GPS backup system.
> Sent from my iPhone
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