[time-nuts] US New Year countdown - accurate?
Javier Herrero
jherrero at hvsistemas.es
Mon Jan 2 23:53:41 UTC 2012
El 03/01/2012 00:48, Javier Herrero escribió:
>
>
> Around 7 yr ago, I gave a friend a GPS driven nixie clock, and he had
> fun taken a picture in which you can see that the second changes
> simultaneously in the TVE teletext clock and the nixie clock (both in
> screen and at the clock the second digits were superimposed), so it
> seems that the discrepancy is inside an aperture time (probably 1/125
> - he was not using any special technique). He lives 2-3km from
> Torrespaña, so the delay due to propagation is in the microsecond range.
A clarification: the discrepancy WAS inside the aperture time: it was
analog TV then. Now, teletext time seems to have its own soul...
differences are even larger than 2 seconds...
Regards,
Javier
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