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

[Earl Needham]

Make that descends INTO a mountain...

Earl


On Mon, May 16, 2011 at 6:45 AM, Earl Needham <earl.kd5xb at gmail.com> wrote:

> 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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