[time-nuts] New frequency standard, Mercury better than Cesium?

Dave Andersen dga+ at cs.cmu.edu
Sun Jul 16 13:43:53 EDT 2006


Compare your clock to an ensemble of really good clocks.

   -Dave

Hal Murray wrote:
> From the horses mouth:
> 
>   http://www.nist.gov/public_affairs/releases/mercury_atomic_clock.htm
> 
> 
> This brings up a question I've been meaning to ask for a while.
> 
> How do you tell how good your best clock is?  I can figure out how good a 
> not-great clock is by comparing it to a better one.  But what if there isn't 
> a better one?
> 
> 



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