On 08/16/2015 08:39 PM, Bob Camp wrote: > The “wear out” on a Rb is not the same as wear out on a > Cesium standard. In a Cs, you have a finite number if atoms > loaded in at the factory. When those atoms all travel down the > tube, it’s dead. In an Rb, the atoms don’t go anywhere. There is > no built in “end of life”. They mostly die from MTBF sorts of things > due to complexity and high temperatures, There are HP Rb’s > built many decades ago still running on their original cells.
Bob, that is fascinating information. I will use my surplus Rubidium units more often now. Ian, G4ICV, AB2GR -- _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
