[time-nuts] Primary standard again

David C. Partridge david.partridge at dsl.pipex.com
Tue Feb 23 23:30:23 UTC 2010


Yes, but that is a function of whether you are in a more or less accelerated
frame of reference.  The "standard" second is defined for the gravitational
conditions at "mean sea level" IIRC.

Moving to a location further from the centre of the earth does indeed make
the the clocks run faster, see e.g.:

<http://www.leapsecond.com/great2005/index.htm>

Dave 

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Lux, Jim (337C)
Sent: 23 February 2010 23:20
To: jfor at quik.com; Discussion of precise time and frequencymeasurement
Subject: Re: [time-nuts] Primary standard again

Aren't there relativistic effects on Cs standard frequency because of
different gravity? (or is that really, the "same" frequency, just in a
different frame of reference)




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