[time-nuts] EFOS Maser turns 34!

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Jan 5 02:38:22 EST 2017


--------
In message <8EE9C792-A2F6-402D-9D07-F8929F656CA1 at gmail.com>, John Ponsonby writ
es:

>       It turns out that the resonant frequency of the cavity is
> much more critically dependent on its diameter than on its length.

Copper has a quite high temperature expansion, so could you servo
that via the cavity temperature ?


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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