Hi Antonio:
Atomic clocks don't have a sensitivity to the direction of the
acceleration like a crystal. That's to say a crystal has "planes" and
the direction of the acceleration changes the crystal frequency. See
the plot at:
http://www.prc68.com/I/PRS10.shtml#Accel
The PRS10 was rotated so different faces were sitting on the bench and
the Electronic Frequency Control signal to the crystal oscillator were
plotted, see:
http://www.prc68.com/I/Images/FC_ROT.jpg
But atomic frequency standards have a sensitivity to the magnitude of
the gravitational field they are in. See:
Project GREAT: General Relativity Einstein/Essen Anniversary Test
Clocks, Kids, and General Relativity on Mt Rainier
http://www.leapsecond.com/great2005/
Have Fun,
Brooke Clarke
http://www.PRC68.com
iov...@inwind.it wrote:
While sensitivity to g is an usually specified parameter for crystal
oscillators, I've been unable to find any indications for atomic clocks, say
5071A, or more modestly LPRO. Can anybody point me to any source of info on the
subject?
Thanks,
Antonio I8IOV
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