[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

>       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
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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