Hi Rubidium ensemble? That would have been quite a while back. They have been running on long tube Cs standards for quite a while.
Bob On May 30, 2014, at 2:03 PM, Tim Shoppa <[email protected]> wrote: > What did NIST do with its Rubidium ensemble before they got the cesium > fountain? > > Did they break one of the rubidiums off the ensemble, maybe in a > different room with different HVAC, and look at the one vs many? > > Would that be useful for OCXO's, measuring one OCXO against an ensemble? > > Tim N3QE > > On 5/30/14, [email protected] <[email protected]> wrote: >> Hi, >> >> I usually don't use drift removal as I want to see the effects of drift! >> >> The effects of oscillators locking together are very apparent on both the >> phase and AD plots when using a DMTD system. There was no indications of >> such locking! >> >> My point was that if you are measuring ultrastable Quartz oscillators >> against each other the AD at the higher Tau will not reflect the true >> stability of the oscillators. >> >> Only a Maser or high performance Rubidium (HP5065A) will reveal the true >> behavior. >> >> Cheers, >> >> Corby >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
