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From: Python <python@invalid.org>
Newsgroups: sci.physics.relativity
Subject: Re: Sync two clocks
Date: Thu, 22 Aug 2024 12:11:53 +0200
Organization: CCCP
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Le 22/08/2024 à 11:02, J. J. Lodder a écrit :
> Mikko <mikko.levanto@iki.fi> wrote:
> 
>> On 2024-08-20 11:27:56 +0000, Richard Hachel said:
>>
>>> Le 20/08/2024 à 13:13, Mikko a écrit :
>>>>>
>>>>> I have explained these things a hundred times.
>>>>> It is impossible to synchronize two watches A and B located in
>>>>> different places.
>>>>
>>>> So you agree that Paul B. Andersen's prodedure is doable and achieves
>>>> what you call "impssible".
>>>
>>> You have to understand the words and concepts, and in relativistic
>>> theory, this is very poorly done.
>>
>> What words or concepts in Paul B. Andersen's prodedure did you consider
>> poorly undestood?
>>
>> If you consider "doable" as I used it in my response then I may clarify
>> that nothing is doable if it is not clear from the specification what
>> the intended action should be. But as far as I can see there is nothing
>> in that procedure that could be regarded as "poorly understood".
> 
> Yes, and not just doable, routinely done in billionfold.
> All clock comparisons between all standard clocks world-wide
> (which is needed to establish TAI)
> is done by exchanging signals through the GPS system,
> taking travel times of signals into account of course,


Until recently Richard "Lengrand" Hachel actually believed that
GPS receivers contain an atomic clock (maybe he still does), go
figure! He's still convinced that GPS satellites clocks are
synchronized against an infinitely far imaginary clock on a
fourth spatial dimension.

This guy used to be a medical doctor!!!