Re: GPS calculations

From: Henri Wilson (H_at_..(Henri)
Date: 09/28/04 

Date: Tue, 28 Sep 2004 20:33:16 GMT

On Tue, 28 Sep 2004 06:58:26 GMT, "Androcles"
<androc1es@nospamblueyonder.co.uk> wrote:

>
>"xxein" <xxein@bellsouth.net> wrote in message
>news:cce403e3.0409271724.7c5e5ec5@posting.google.com...
>| "Androcles" <androc1es@nospamblueyonder.co.uk> wrote in message
>news:<PJ06d.305$TP4.122@text.news.blueyonder.co.uk>...
>| > "xxein" <xxein@bellsouth.net> wrote in message
>| > news:cce403e3.0409271337.49956865@posting.google.com...
>| > | For those confused by 46 us/day and 38 us/day, It depends on wether
>| > | you think the satellites orbit once a day or twice a day.
>| > |
>| > | It seems there is a lot of confusion both on this ng and the general
>| > | science archives.
>| > |
>| > | End.
>| > LOL! Yes, but when you have a Ph.D. relativist that cannot count to 14,
>| > that can hardly be surprising.
>| >
>| > Androcles.
>|
>| xxein: Show me YOUR calculations that support either.
>
>Time is measured by counting oscillations from a regular oscillator.
>There is exactly 1 cycle per orbit of a satellite. There are not
>0.99999999999999 cycles or 1.0000000000000000001 cycles.
>How do I know this?
>Because it is defined as such.
>Anyone that thinks time is measured as 1 orbit + 46us or 2 orbits - 38 us or
>whatever is off their rocker.
>Androcles
>

This is probably a bit hard for a CDEF, A.

Let's explain in really simple language.

If an observer in an orbiting space capsule wants to synch the rate of his
clock with that of a ground clock, he can do so by setting the number of
'ticks' it makes per ONE COMPLETE ORBIT to the number recorded by the ground
clock per ONE COMPLETE ORBIT.

You see, the two observers have a common clock. They can both agree beforehand
to adjust their own local clocks to tick at a rate, say, of 10^10 per orbit.

There are practical problems to overcome but none too difficult since
relativists claim they can measure a complete orbit to better than 4.6 parts in
10^10.
 

HW.

www.users.bigpond.com/hewn/index.htm

Relevant Pages

  • Re: GPS calculations
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