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Groups > sci.physics.relativity > #422207

Re: GPS Again.

From Serg io <invalid@invalid.com>
Newsgroups sci.physics.relativity, sci.physics
Subject Re: GPS Again.
Date 2017-06-10 19:38 -0500
Organization Aioe.org NNTP Server
Message-ID <ohi3fv$2ms$1@gioia.aioe.org> (permalink)
References (4 earlier) <ogkgd9$1epg$4@gioia.aioe.org> <epuceeF5pnvU1@mid.individual.net> <ohebig$c9k$2@gioia.aioe.org> <eq0vtmFo6dqU1@mid.individual.net> <ohgidq$1pjn$1@gioia.aioe.org>

Cross-posted to 2 groups.

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On 6/10/2017 5:42 AM, Kitubu Nkyaku wrote:
> Sylvia Else wrote:
> 
>> On 10/06/2017 12:32 AM, Jim Limey wrote:
>>> Sylvia Else wrote:
>>>
>>>> The GPS time in the transmitted data from a GPS satellite allows the
>>>> construction of an equation that essentially asserts that the distance
>>>> between the receiver (at the time of reception) and the satellite (at
>>>> the time of transmission) equals the time taken for the data to arrive
>>>> multiplied by the speed of light.
>>>
>>> Mam, you just said you don't know the time for the data to arrive. I
>>> think i'll skip the rest till you make sure you understand the
>>> procedure correctly.
>>
>> The equation expresses a relationship between four unknowns, one of
>> which is the GPS time at the receiver. The time taken by the signal to
>> reach the receiver is the difference between that unknown and the time
>> of transmission as encoded into the signal.
>> This is just simple algebra. Your derisory comment suggests you don't
>> understand it. Sylvia.
> 
> Mam, you just convinced the population you are stupid. Has nothing to do
> with what you say and the algorithm, which is simple, can be any, but
> fixed hardwired into the circuity as described above. You are indeed
> stupid.
> 

no need to say she is stupid, and it is not simple algebra.

best to google for GPS signal processing, it is much more complicated 
spread spectrum, tracking, etc.  than simply sending a time stamp back 
and forth.

       far too complicated to discuss in a newsgroup

https://en.wikipedia.org/wiki/GPS_signals

good one here;

http://web.ics.purdue.edu/~ecalais/teaching/geodesy/GPS_observables.pdf

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Thread

GPS Again. "HGW, DSc." <HG@....> - 2017-05-27 06:49 +1000
  Re: GPS Again. Ckeho Baùkora <unukn@owyqar.og> - 2017-05-26 21:01 +0000
    Re: GPS Again. "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-26 15:49 -0700
      Re: GPS Again. Ckeho Baùkora <unukn@owyqar.og> - 2017-05-27 09:20 +0000
  Re: GPS Again. dancouriann@gmail.com - 2017-05-26 15:50 -0700
  Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-05-26 17:58 -0500
  GPS Again. "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-26 16:14 -0700
    GPS Again. "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-26 16:38 -0700
  Re: GPS Again. xxein1x1@gmail.com - 2017-05-26 16:25 -0700
  Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-05-27 00:18 +0000
  Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-05-26 19:51 -0500
    Re: GPS Again. Ckeho Baùkora <unukn@owyqar.og> - 2017-05-27 10:37 +0000
      Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-05-30 09:57 -0500
        Re: GPS Again. Helmut Wabnig <hwabnig@.- --- -.dotat> - 2017-05-30 20:52 +0200
          Re: GPS Again. Ernest Rivers <erwm@weicnne.ac> - 2017-05-30 19:17 +0000
          Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-05-30 15:23 -0500
            Re: GPS Again. Helmut Wabnig <hwabnig@.- --- -.dotat> - 2017-05-30 22:53 +0200
              Re: GPS Again. Ernest Schwanenflügel <erwm@wanenf.oa> - 2017-05-30 20:59 +0000
                Re: GPS Again. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-31 00:42 +0200
              Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-05-30 19:03 -0500
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-05-30 21:30 -0500
          Re: GPS Again. Serg io <invalid@invalid.com> - 2017-05-30 19:01 -0500
        Re: GPS Again. Ernest Rivers <erwm@weicnne.ac> - 2017-05-30 19:15 +0000
          Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-09 11:37 +1000
            Re: GPS Again. Jim Limey <eeug@dnne.ri> - 2017-06-09 14:32 +0000
              Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-09 12:51 -0500
                Re: GPS Again. Kitubu Nkyaku <akntuu@buwkau.kk> - 2017-06-09 18:52 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-10 09:23 +1000
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-10 11:23 +1000
              Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-10 11:21 +1000
                Re: GPS Again. Kitubu Nkyaku <akntuu@buwkau.kk> - 2017-06-10 10:42 +0000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-10 19:38 -0500
                Re: GPS Again. Nými Icelulózy <ejienm@wzsfwe.ul> - 2017-06-16 11:30 +0000
                Re: GPS Again. Sегgi о <iinvalid@invalid.com> - 2017-06-16 10:40 -0500
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-11 11:11 +1000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-10 21:20 -0500
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-11 12:31 +1000
                Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-06-10 22:40 -0500
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-10 23:20 -0500
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-11 05:14 +1000
                Re: GPS Again. "Paul B. Andersen" <relativity@paulba.no> - 2017-06-10 22:16 +0200
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-11 07:19 +1000
                Re: GPS Again. xxein1x1@gmail.com - 2017-06-10 16:11 -0700
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-10 18:32 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-11 14:43 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-13 07:50 -0700
                Re: GPS Again. Lolek Atoru <oitiruc@rwuca.oa> - 2017-06-13 20:56 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-14 09:25 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-13 17:02 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-14 12:36 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-13 20:04 -0700
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-14 04:43 +0000
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-14 20:11 +1000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-14 14:47 +0000
                Re: GPS Again. "Paul B. Andersen" <relativity@paulba.no> - 2017-06-11 22:35 +0200
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-11 15:44 -0500
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-11 18:03 -0500
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-11 19:00 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-12 11:39 +1000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-12 02:33 +0000
                Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-06-11 22:42 -0500
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-11 23:27 -0500
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 04:47 +0000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 08:20 -0500
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 17:18 +0000
                Re: GPS Again. Prokaryotic Caspase Homolog <prokaryotic.caspase.homolog@gmail.com> - 2017-06-15 10:06 -0700
                Re: GPS Again. Kotovanich Nzerovu <ivhvruo@wovewvw.ev> - 2017-06-15 17:30 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-12 18:15 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 22:32 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-12 20:48 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-13 01:52 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-13 19:57 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 00:46 +0000
                Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-06-12 09:58 -0500
                Re: GPS Again. Selina Dieter <uiueeits@wlwtwstd.ci> - 2017-06-12 15:08 +0000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 10:37 -0500
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 17:21 +0000
                Re: GPS Again. Selina Dieter <uiueeits@wlwtwstd.ci> - 2017-06-12 17:40 +0000
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 18:05 +0000
                Re: GPS Again. Selina Dieter <uiueeits@wlwtwstd.ci> - 2017-06-12 18:19 +0000
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 19:16 +0000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-12 19:43 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-12 18:25 -0400
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 18:45 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-12 10:35 +1000
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-12 11:05 +1000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-11 23:29 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-12 20:12 +1000
                Re: GPS Again. Poutnik <poutnik4nntp@gmail.com> - 2017-06-12 13:54 +0200
                Re: GPS Again. Selina Dieter <uiueeits@wlwtwstd.ci> - 2017-06-12 12:47 +0000
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-13 04:13 +1000
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-13 12:59 +1000
                Re: GPS Again. mlwozniak@wp.pl - 2017-06-12 23:03 -0700
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-13 04:22 +1000
                Re: GPS Again. Sylvia Else <sylvia@not.at.this.address> - 2017-06-13 13:00 +1000
                Re: GPS Again. Tom Roberts <tjroberts137@sbcglobal.net> - 2017-06-13 13:32 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-14 10:09 +1000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-14 09:34 +1000
                Re: GPS Again. Серг ио <invalid@invalid.com> - 2017-06-13 18:42 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-14 12:40 +1000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-14 04:06 +0000
                Re: GPS Again. mlwozniak@wp.pl - 2017-06-14 01:20 -0700
                Re: GPS Again. Sегg iо <invalid@invalid.com> - 2017-06-13 23:19 -0500
                Re: GPS Again. Sегg iо <invalid@invalid.com> - 2017-06-13 23:46 -0500
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-14 20:07 +1000
                Re: GPS Again. Sегg iо <invalid@invalid.com> - 2017-06-14 09:17 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-17 08:26 +1000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-16 20:40 -0400
                Re: GPS Again. Ecembre Abin <umueuu@eibbwaw.ee> - 2017-06-17 08:05 +0000
                Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-17 22:20 +1000
                Re: GPS Again. Sегgi о <iinvalid@invalid.com> - 2017-06-17 07:58 -0500
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-14 17:06 -0400
        Re: GPS Again. "HGW..." <hgw@....> - 2017-05-31 09:58 +1000
  Re: GPS Again. "Paul B. Andersen" <relativity@paulba.no> - 2017-05-27 07:36 +0200
    Re: GPS Again. "HGW... DSc." <hgw@....> - 2017-05-28 10:57 +1000
  Re: GPS Again. Rafael Valls Hidalgo-Gato <rvalls162@gmail.com> - 2017-05-31 07:02 -0700
    Re: GPS Again. "HGW..." <hgw@....> - 2017-06-01 09:00 +1000
      Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-05-31 23:42 +0000
        Re: GPS Again. "HGW..." <hgw@....> - 2017-06-01 19:36 +1000
          Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-01 05:33 -0700
            Re: GPS Again. "HGW, DSc." <HG@....> - 2017-06-02 19:51 +1000
              Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-03 05:10 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-04 08:08 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-03 15:27 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-04 08:50 +1000
                Re: GPS Again. pnalsing@gmail.com - 2017-06-03 19:37 -0700
                Re: GPS Again. Poutnik <poutnik4nntp@gmail.com> - 2017-06-04 07:09 +0200
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-04 16:06 +1000
                Re: GPS Again. Prudence Youngs <usue@weuem.ge> - 2017-06-04 11:11 +0000
                Re: GPS Again. Poutnik <poutnik4nntp@gmail.com> - 2017-06-04 14:23 +0200
                Re: GPS Again. Prudence Youngs <usue@weuem.ge> - 2017-06-04 12:33 +0000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-04 18:17 +0000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-04 05:06 -0700
                Re: GPS Again. Prudence Youngs <usue@weuem.ge> - 2017-06-04 12:12 +0000
                Re: GPS Again. anne <0140519@gmail.com> - 2017-06-04 05:32 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-05 08:48 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-04 16:09 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-05 11:12 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-04 19:24 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-05 16:38 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-05 04:49 -0700
                Re: GPS Again. mlwozniak@wp.pl - 2017-06-05 05:53 -0700
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-06 08:38 +1000
                Re: GPS Again. Gary Harnagel <hitlong@yahoo.com> - 2017-06-05 20:30 -0700
                Re: GPS Again. Poutnik <poutnik4nntp@gmail.com> - 2017-06-04 15:00 +0200
                Re: GPS Again. Prudence Youngs <usue@weuem.ge> - 2017-06-04 11:10 +0000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-04 13:25 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-05 08:46 +1000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-04 23:13 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-05 11:16 +1000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-05 09:26 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-06 08:46 +1000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-05 23:17 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-07 10:11 +1000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-07 03:04 +0000
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-07 14:58 +1000
                Re: GPS Again. Odd Bodkin <bodkinodd@gmail.com> - 2017-06-07 12:17 -0500
                Re: GPS Again. "HGW..." <hgw@....> - 2017-06-08 09:06 +1000
                Re: GPS Again. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-06-05 00:49 +0000

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