[time-nuts] a link to a explanation of Rb vs Cs?

Hal Murray hmurray at megapathdsl.net
Wed Apr 12 02:41:38 EDT 2017

jimlux at earthlink.net said:
> If there's nothing folks are aware of, I'll probably see if I can find  some
> nice schematic pictures of a Cs Beam, a gas cell, and an Hg ion  trap, and
> then a AVAR plot or something. 

I think the GPS satellites have 3 Cs and 2 Rbs.  There might be an 
interesting story about why they decided to split their eggs into two baskets.

These are my opinions.  I hate spam.

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