[time-nuts] Shortt Clock Recent Measurements
Poul-Henning Kamp
phk at phk.freebsd.dk
Wed Dec 11 09:59:46 UTC 2013
In message <82901.1386754286 at critter.freebsd.dk>, "Poul-Henning Kamp" writes:
>In message <d82c3cbd5688ab036d49d2d32515a859.squirrel at webmail.montana.com>, "Do
>n Latham" writes:
>
>>I think if I were to start designing, I'd use a quartz rod instead,
>
>I'd go for SiC, like they did for the optics bench in the GAIA satellite
... I guess I should add: GAIA is currently scheduled for launch on
the 19th, and it has very stringent requirements for precise
on-board time, served by a Rb clock.
Gaia homepage:
http://www.cosmos.esa.int/web/gaia
About the clock requirements:
http://www.congrex.nl/EFTF_Proceedings/Papers/Session_15_GNSS_Timing_2/15_01_Droz_Fabien.pdf
--
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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