[ntp:questions] PPS versus serial offset

Steve Kostecke kostecke at ntp.org
Wed Aug 28 12:19:38 UTC 2013


On 2013-08-28, David Taylor <david-taylor at blueyonder.co.uk> wrote:

> detha <detha at foad.co.za> wrote:
>
>> http://detha.co.za/ntp/ntpmon.20130828.jpg
>
> I would be more worried about the 11 ms step in the PPS at about -155
> hours...

The PPS signal is plotted in green and does not diverge visibly from 0.

The blue line, which displays the 11ms jump, is labled "stratum 1". It
is very likely the system offset.

-- 
Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/



More information about the questions mailing list