[time-nuts] Some long-term data

Magnus Danielson cfmd at bredband.net
Sat Dec 23 22:22:01 UTC 2006


From: "Poul-Henning Kamp" <phk at phk.freebsd.dk>
Subject: Re: [time-nuts] Some long-term data
Date: Sat, 23 Dec 2006 22:11:20 +0000
Message-ID: <25407.1166911880 at critter.freebsd.dk>

> In message <458D7536.4060604 at febo.com>, John Ackermann N8UR writes:
> 
> >I'm running an experiment with my 3 atomic standards (2 HP 5061A and 1
> >HP 5065A) versus GPS via an M12+ (no sawtooth correction).  I now have
> >148 days of data, and hope to keep the experiment running out to 180 days.
> 
> 180 days is a bad choice because most environmental effects have a strong
> yearly component.

Such as temperature and humidity. One of the Cesiums seemed to have a rather
large frequency offset. Did you drift-compensate your ADEV measures or not?

(Actually, if you hand me the raw data I would love to do some exercises on
them.)

Cheers,
Magnus




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