[ntp:questions] Confused about pool rotation

John Hasler jhasler at newsguy.com
Thu Feb 7 02:08:26 UTC 2013

Robert Scott writes:
> So I am trying to achieve 12 ppm frequency calibration by developing a
> temporary local time stamp that is disciplined by SNTP.  I figure two
> SNTP samples about 2 to 4 hours apart will give the required frequency
> accuracy, assuming typical SNTP jitter.

I don't see why this should be better than (or even as good as) using
the system clock as disciplined by NTP.
John Hasler 
jhasler at newsguy.com
Dancing Horse Hill
Elmwood, WI USA

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