Re: [gpsd-dev] [PATCH] Clean up and update NMEA.txt

[Gary E. Miller]

Yo Gerry!

On Tue, 7 Apr 2015 18:04:35 -0500
Gerry Creager - NOAA Affiliate <address@hidden> wrote:

> > A lot of canyons in the Northwest.  Often down in a canyon I could
> > get Loran but not GPS.  GPS receivers Seem to be better now, but not
> > perfect.
> 
> 
> Ah. OK, and that'd make sense. Ground wave works for that sorta area.

Yup.

> > > and once or
> > > twice in some sandy regions of the world when, perhaps, some
> > > spoofing with going on.
> >
> > Like Nevada and Oregon.  I get notices of GPS testing maybe monthly.
> > Even this far away from the test site people lose GPS up in the air.
> 
> I was actually thinking of other areas where active denial of service
> is "embraced" by DoD for their own security...

Well, those too.

I hear the GPS blinks off in San Diego now and then when somebody
tests the jammer in port.

> > > I will say it's disconcerting to have your aircraft
> > > GPS reset, though, because someone sent the reset signal from the
> > > Flashcube.
> >
> > Flashcube?  Is that the Nevada test site?
> 
> 2nd Space Operations Sqdn, Schreiver AFB, Colorado. They at least
> used to have a large cubical building with reflective metalized
> tinting and that's what some of us called it.

Interesting.  The standby/replacement for the Blue Cube?  I knew
guys that worked in the Blue Cube.  Scary place, scary stories.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588