[time-nuts] C-Beam Usage

[Poul-Henning Kamp]

In message <41E7C234.8060106 at erols.com>, Chuck Harris writes:

>Up until I started working on my FTS4050, I would have said that they last
>the same length of time whether you use them or not.  That certainly was the
>usual experience with HP5060, 5061, 5062 units of yor.

There are multiple wear-out mechanisms, one is cesium depletion the
other major one is photocell wearout.

I don't know if turning off the Cs oven also turns off the photocell,
but you certainly do not use up your precious cesium when it is frozen
solid.

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