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Groups > sci.physics > #636150

Re: GPS Again.

From jimp@specsol.spam.sux.com
Newsgroups sci.physics.relativity, sci.physics
Subject Re: GPS Again.
Date 2017-06-12 17:21 +0000
Organization A noiseless patient Spider
Message-ID <85v21e-ltc.ln1@mail.specsol.com> (permalink)
References (9 earlier) <ohki8q$1oeo$1@gioia.aioe.org> <w-Cdnc-4S5QokKPEnZ2dnUU7_83NnZ2d@giganews.com> <ohl57t$eto$1@gioia.aioe.org> <3Zedna9x8vdkNqPEnZ2dnUU7_83NnZ2d@giganews.com> <ohmcf5$jvu$1@gioia.aioe.org>

Cross-posted to 2 groups.

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In sci.physics Serg io <invalid@invalid.com> wrote:
> On 6/12/2017 9:58 AM, Tom Roberts wrote:
>> On 6/11/17 6/11/17 - 11:27 PM, Serg io wrote:
>>> On 6/11/2017 10:42 PM, Tom Roberts wrote:
>>>> On 6/11/17 6/11/17   6:03 PM, Serg io wrote:
>>>>> GPS signals are "spread spectrum", they are all on the same 
>>>>> frequency...
> 
>>>> TYPO: GPS signals are NOT spread spectrum, they are all on the same 
>>>> frequency. Well, same two frequencies (originally, with three more 
>>>> added later).
>>>
>>> yes they are, it is what GPS is based upon Spread Spectrum,
>>> this is fundimental gps stuff here, google it and educate yourself for 
>>> a few hours.
>>> https://www.e-education.psu.edu/geog862/node/1753
>> 
>> That is NOT the usual meaning of "spread spectrum", and that website is 
>> WRONG in using the term that way.
>> 
>> In particular that site claims "The GPS signal is said to have a spread 
>> spectrum because of its intentionally increased bandwidth." -- this is 
>> NONSENSE, because EVERY method of modulation increases the bandwidth of 
>> the transmitted signal, and the bandwidth of GPS signals is simply that 
>> due to their phase modulation and chip rate.
>> 
>> The usual meaning of "spread spectrum" is intentional frequency hopping 
>> to either transmit information or provide more robust communication. The 
>> GPS does NOT do this.
>> 
>> Tom Roberts
> 
> nope, the website is correct.
> 
> GPS is classic SS, was develped in the early 70s,

Spread spectrum was actually developed in the 40's.

<snip remaining ignorant, illiterate babble>
 

-- 
Jim Pennino

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Thread

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. "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. "hanson" <hanson@quick.net> - 2017-06-12 10:15 -0700
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 13:40 -0500
                Re: GPS Again. "hanson" <hanson@quick.net> - 2017-06-12 14:19 -0700
                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. 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. pcardinale@volcanomail.com - 2017-06-12 12:22 -0700
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-12 20:01 +0000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 18:32 -0500
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-13 01:54 +0000
                Re: GPS Again. Serg io <invalid@invalid.com> - 2017-06-12 22:28 -0500
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-13 19:59 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 00:48 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-13 21:35 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 02:11 +0000
                Re: GPS Again. Mahipal <mahipal7638@gmail.com> - 2017-06-13 19:50 -0700
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-13 23:53 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 05:27 +0000
                Re: GPS Again. Sегg iо <invalid@invalid.com> - 2017-06-14 09:10 -0500
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-14 17:10 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 21:33 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-14 18:19 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 22:33 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-15 17:01 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-15 23:09 +0000
                Re: GPS Again. benj <benj@nobody.net> - 2017-06-13 23:49 -0400
                Re: GPS Again. jimp@specsol.spam.sux.com - 2017-06-14 05:29 +0000
                Re: GPS Again. Sегg iо <invalid@invalid.com> - 2017-06-13 20:29 -0500
                Re: GPS Again. pcardinale@volcanomail.com - 2017-06-13 12:33 -0700
                Re: GPS Again. Серг ио <invalid@invalid.com> - 2017-06-13 16:39 -0500
                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. "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. "hanson" <hanson@quick.net> - 2017-06-13 23:01 -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. pcardinale@volcanomail.com - 2017-06-09 13:35 -0700

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