[ntp:questions] Speed of ntp convergence

David J Taylor david-taylor at blueyonder.neither-this-part.nor-this-bit.co.uk
Sat Nov 1 11:51:10 UTC 2008

David J Taylor wrote:
> As a comparison, I have a very old Pentium 133 system here running
> FreeBSD with local GPS PPS and some other Internet-based stratum 2/3
> servers (probably NTP pool and a fixed name).  I'm sure it's well
> within a few minutes for it to reach it's full accuracy (tens of
> microseconds).  For interest, I've just (0645 UTC) switched it off
> and on, and we will be able to watch its recovery here (30 minute
> updates):
>  http://www.satsignal.eu/mrtg/pixie_ntp.html
> Cheers,
> David

Checking a little later shows convergence down to noise level within 15 


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