[time-nuts] Legal Time dissemination

[Gabs Ricalde]

That looks like a server in an room with unstable temperature. Try
graphing the server's frequency (ntpq rv or ntpdc loopinfo/kerninfo if
enabled on the server), a rising frequency will correlate with a
positive offset if that is the case.

On Tue, May 28, 2013 at 7:52 PM, Miguel Barbosa Gonçalves <m at mbg.pt> wrote:
> Hi!
>
> Lately I've been using the two stratum 2 servers our national observatory
> provides to the public mainly as backup for my GPS based local NTP servers.
>
> I've always found odd that one of them exhibited an erratic behaviour when
> compared to the other one.
>
> I decided to use ntpdate on one of my stratum 1 machines (Trimble
> AcutimeGold in position hold mode; looking at my loopstats file my
> clock is always
> within 5 us of UTC) against these 2 servers every minute for a while and
> plotted the results. Offset is in seconds and time is UTC.
>
> I am on a fibre asymmetrical connection 100 Mbps/25 Mbps. The offsets for
> the best behaved server are expected but... the other server?
>
> After gathering enough data I'll contact them as ask what is the problem
> with the server...
>
> Opinions?
>
> Regards,
> Miguel
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.