[aprssig] Terrestrial Threat to GPS Has Now Hit The MainstreamMedia.

[lawrence labranche]

Also DOD has sent a "strongly worded" letter to the FCC.

-Larry
KI6ZQY



----- Original Message ----
From: Jason KG4WSV <kg4wsv at gmail.com>
To: TAPR APRS Mailing List <aprssig at tapr.org>
Sent: Sun, April 10, 2011 5:51:30 AM
Subject: Re: [aprssig] Terrestrial Threat to GPS Has Now Hit The 
MainstreamMedia.

On Sat, Apr 9, 2011 at 10:12 PM, Rahn Abbott <whiskey7doa at gmail.com> wrote:
> Ummmm, you do know that that US Military GPS units and your Garmin Etrex are
> not listening to the same radio signals right? You do know military and US
> government GPS runs on a completely different system?

Not quite.  The military uses two frequencies, so that atmospheric
distortion can be observed and compensated for.  This is one source of
the increased accuracy.  We only get to use the one frequency.

DoD would miss it as much as we do if it gets lost in the noise.

-Jason
kg4wsv

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