[ntp:questions] Trimble Resolution SMT on Ubuntu 12.04

Dave Hart hart at ntp.org
Fri Mar 30 16:10:55 UTC 2012


On Fri, Mar 30, 2012 at 12:44, G <geng_j at yahoo.com> wrote:
> root at test12041:/home/ntp-4.2.6p5# ntpq -p
>      remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
> xGPS_NMEA(1)     .GPS.            0 l    -    8  377    0.000  -244.15   4.163
> xtb.mircx.com    64.147.116.229   2 u   57   64  377   57.804  226.565  17.471
>
> root at test12041:/home/ntp-4.2.6p5# date
> Fri Mar 30 08:22:23 EDT 2012
> root at test12041:~# uname -a
> Linux test12041 3.2.0-17-generic-pae #27-Ubuntu SMP Fri Feb 24 15:59:25 UTC 2012 i686 i686 i386 GNU/Linux
>
> I use ntp-4.2.6p5. should I try latest 4.2.7?

I would spend more time experimenting with fudge time2 values to try
to get your NMEA and network offsets closer.  They are almost 500 msec
apart in the ntpq output above.  They need to come within 400 msec
before the PPS will take over.

Cheers,
Dave Hart


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