[time-nuts] Maximizing Cs Tube Life

[John Miles]

>
> "The candle that burns twice as bright,  burns half as long..."
>
> Are both your units the high-performance version?  These units
> get their performance boost by doubling the beam current...  at
> the expense of half the life.  As a side "benefit" of the
> increased beam current,  you can get increased outgasing of
> contaminants in the tube/cesium supply.

That was my initial guess, but it sounded like it didn't help when he left
it in standby mode with the Cs oven powered down.  That argues in favor of
plain old envelope leakage, unless there's some other mechanism I'm not
thinking of.  It makes sense to verify the current first.

-- john, KE5FX