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I think that ignoring the propagation time completely would introduce
negligible error in establishing GMT. e.g. the delay over 2000 nm would be on
the order of 20 milli-seconds.

--- Rodney Myrvaagnes  wrote:
> On Fri, 21 Mar 2003 18:53:37 EST, Bruce Stark wrote:
>
> >I expect he already had the longitude. It's only reasonable to suppose that,
> >as soon as a cable was laid, Greenwich time was telegraphed from an
> >observatory so observers at the new station could determine the station's
> >exact position. By finding the local time at the station, and applying the
>
> Reasonable if they had previously measured the propagation speed for
> the cable.
>
> Any records of them doing this?
>
>
>
>
> Rodney Myrvaagnes                                                    J36
> Gjo/a
>
>
> "We have achieved the inversion of the single note." __ Peter Ustinov as
> Karlheinz Stockhausen


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