[ntp:questions] National time standard differences

David Woolley david at ex.djwhome.demon.invalid
Tue Feb 9 22:07:10 UTC 2010

David J Taylor wrote:

> I remember the flying of caesium or other atomic clocks round the world, 
> and that folks had to invoke relativistic corrections.  Were these 
> better than microseconds as well?

That's called Navstar (GPS) and GPS position solutions do have to 
include a general relativity correction to the satellite clocks.

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