[time-nuts] Rubidium standard

[Poul-Henning Kamp]

In message <C23FCF4B010C4B02B74FB84B021953F1 at escaleno>, "Marco A. Ferra" writes
:

>We had a guy from Pendulum Instruments in our Laboratory that stated that 
>the life span of Rubidium crystals are between 10 ~ 12 years, so the 
>information seems to be correct.  I believe that when the rubidium starts to 
>get older, it loses stability and inversely behaves like the quartz (when 
>older, the more stable).

There are no "rubidium crystals" involved.

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