I don't know what your data looks like of course, but to me it looks like you
have a scaling problem. At the very least, I would think you should be in the
xE-9 at tau = 1 second. Are you feeding it whole numbers of nanoseconds, but
it's interpreting them as milliseconds or something like that?
Bob
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GFS GPSDO list:
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From: Gary E. Miller <[email protected]>
To: Tom Van Baak <[email protected]>
Cc: Discussion of precise time and frequency measurement <[email protected]>
Sent: Tuesday, July 19, 2016 1:42 PM
Subject: Re: [time-nuts] Allan Deviation recipe?
Yo All!
With help from Tom Van Baak and Bob Stewart, I have 6 weeks worth of
GPS Serial and PPS timing data in a nice ADEV chart. I think.
Check it out:
https://rellim.com/graphs/adev.png
That is for a SiRF III (MR-350P) with a bad sky view.
How does that look? Totally wrong? Somewhat wrong?
Once I get this packaged up I'll have lots more similar graphs.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
[email protected] Tel:+1 541 382 8588
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