[time-nuts] OCXO pressure sensitivity before TCXO
Poul-Henning Kamp
phk at phk.freebsd.dk
Mon Aug 5 21:21:31 UTC 2019
--------
In message <d4c46442-c783-fde9-d8da-2b32cb11f201 at earthlink.net>, jimlux writes:
>One other thing to know about those USOs - they start about 1000 quartz
>blanks that are mounted in holders, and wind up with a couple dozen
>oscillators in dewars, and then run them all for a long time (many
>months) and watch them. 2 or 3 out of a batch will be the ones selected
>for use - based on their observed stability -
Do you know where their trash bin is located, and if it is locked ? :-)
I would love to get my hands on a unit from, say, the 10-25 tier of that process.
--
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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