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Subject:Re: Will GPS ever really replace ADF/DME?
From:Tarver Engineering
Date:Thu Oct 10 19:07:12 2002

"Bob Noel" wrote in message
news:ihatessppaamm-8B7A48.22360510102002@netnews.attbi.com...
> In article <3DA2709F.2C90FF20@inreach.com>, Scott Moore
> wrote:
>
> > - GPS is subject to jamming.
> >
> > As all the services, VOR, ADF and Loran. In fact, it is probally a
simpler
> > matter to jam any of those services than GPS, which at least has complex
> > encoding.
>
> encoding doesnt help when the signal is so weak to begin with.

Oh yes it does.

> so, its not at all a myth to say that GPS is subject to jamming.

If you have a fancy military jammer, it is not much of a problem to jam GPS.

> > - A terrorist could "take out" GPS.
> >
> > As they could take out any other service.
>
> correct.
>
> >GPS is no more suceptable to
> > jamming
> > as any other service, and probally less.
>
> incorrect.

Yes, GPS is less suseptable to jamming than any other service.

Additionally, GPS is far less suseptable to spoofing than any other service.

Did you figure out how those MLS systems work yet, Bob? :)

John



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