[aprssig] Anyone in Las Vegas - LightSquared Test To Begin Monday

Earl Needham earl.kd5xb at gmail.com
Mon May 16 08:45:33 EDT 2011


I'm not sure very many are still using INS, although it's a fair system.
However, if you start digging through approach plates, there are LOTS of GPS
approaches around the country now, and I can just imagine a GPS approach
gone bad where an airliner descends in a mountain.

Vy 7 3
Earl
KD5XB
Commercial, instrument, private in SES

On Sun, May 15, 2011 at 10:46 PM, Steve Noskowicz <noskosteve at yahoo.com>wrote:

>
>
> Yes.  It won't "down" an airliner.  They will always have inertial
> navigation for the foreseeable future because it relies on nothing external
> to the craft, but that is a red herring.
>  The fact is that it is stupid and, I guess a direct insult to those who
> did careful spectrum planning based on good knowledge of radio technology
> and the laws of physics.  That band was set aside for "low" power satellite
> transmitters and because we know receivers are not ideal.
> LightSquared is trying to blame the GPS receivers.
> This is simply another example that the FCC has no knowledge...BPL, First
> Responder bill, now this.
>
> Short form: Follow the money.
>
> I want my APRS to work everywhere...[see.  On topic]
> --
> 73, Steve, K9DCI
> --
>  73, Steve, K9DCI   USN (Vet) MOT (Ret) Ham (Yet)
> --
> I served during the cold war, so you can continue to be served a cold one.
> --- On Sun, 5/15/11, KA7O <ka7o at ka7o.net> wrote:
>
> > From: KA7O <ka7o at ka7o.net>
> > Subject: Re: [aprssig] Anyone in Las Vegas - LightSquared Test To Begin
> Monday
> > To: "TAPR APRS Mailing List" <aprssig at tapr.org>
> > Date: Sunday, May 15, 2011, 3:57 PM
> > Seriously - if a compromise of the
> > GPS system can down a commercial
> > aircraft, we've got MUCH bigger problems than this
> > Lightsquared frippery!!
> >
> > On 05/15/2011 01:45 PM, Randy Love wrote:
> > > One commercial airliner crashing due to this
> > interference might not even be
> > > enough to get this squashed.
> > >
> > > WTF, FCC and FAA.. This is a *threat to life and
> > safety* that Lightsquared
> > > is doing here!!!
> > >
> > > Randy
> > > WF5X
> > >
> > >
> > > On Sun, May 15, 2011 at 3:12 PM,<aprssig at k7ftp.net>
> > wrote:
> > >
> > >> If anyone on the list is in Las Vegas/Boulder
> > City, might want to go out
> > >> between 23:00 and 05:00 and see what it does.
> > >>
> > >>
> > >>
> http://www.lasvegassun.com/news/2011/may/14/testing-new-wireless-network-cou
> > >> ld-cause-gps-outag/
> > >>
> > >> "A warning for night drivers: If your GPS
> > navigator gives out on you this
> > >> week, don't despair. What you're experiencing is
> > only a test of the
> > >> emerging
> > >> broadband system.
> > >>
> > >> Starting Monday, broadband developr LightSquared
> > will start testing its
> > >> planned 4G speed wireless network in the Las Vegas
> > area. The test will run
> > >> after midnight for several hours for 10 days, and
> > if it works, Las Vegas
> > >> could become one of the first U.S. cities to get
> > on a super-high speed
> > >> Internet grid that's independent of any particular
> > service provider.
> > >>
> > >> But if it fails, government agencies warn that it
> > could compromise or even
> > >> black out the GPS systems in the area, rendering
> > temporarily useless
> > >> everything from your car's navigator to the
> > systems that allow airplanes to
> > >> come in for a safe landing."
> > >>
> > >> "Late last week, the Federal Aviation
> > Administration alerted pilots that
> > >> "the GPS signal may be unreliable or unavailable"
> > within a nearly 300-mile
> > >> radius of Boulder City, where the test transmitter
> > will be located, from 11
> > >> p.m. to 5 a.m. local time daily from Monday to May
> > 27."
> > >>
> > >>
> > >> _______________________________________________
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> > >> aprssig at tapr.org
> > >> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> > >>
> > >
> > >
> > >
> > > _______________________________________________
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> >
> >
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> >
>
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