[time-nuts] OCXO pressure sensitivity before TCXO

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Aug 5 21:21:31 UTC 2019


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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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