[ntp:questions] Re: High jitter with GPS Clock

Rickan rickan2000 at hotmail.com
Tue Nov 11 15:46:19 UTC 2003


No, not PPS. Is PPS also supported by Linux? can PPS signal pass thru an
RS422/RS232 converter?


"Ulrich Windl" <Ulrich.Windl at RZ.Uni-Regensburg.DE> schrieb im Newsbeitrag
news:m3smkvdnr9.fsf at pc5234.klinik.uni-regensburg.de...
> "Rickan Lee" <rickan2000 at hotmail.com> writes:
>
> > Hi all,
> >
> > I have connected a GPS-Clock (Acutime 2000) via phone wire to my PC.
(Linux
> > 2.4.20-8, ntpd 4.1.1c).
> >
> > However, what I don't understand is the jitter is very high.
>
> PPS or not PPS? AFAIK, the full performance will only be available
> when you use PPS.
>
> Ulrich





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