[LinuxPPS] So far, so good

[Paul]

On Mon, 2010-08-09 at 09:22 -0600, clemens at dwf.com wrote:
> > On Sunday 08 August 2010 11:54:58 pm Paul wrote:
> > > As the title suggests I am making encouraging progress with my Oncore
> > > synchronised server. However I have a couple of questions.
> > > 
> > > 1. I am using the 'site survey' mode as I do not know my accurate
> > > position. I gather that greater accuracy is obtained by setting the site
> > > position. Does the oncore output somewhere where it thinks it is? I
> > > can't find it in the logs, but of course I may not be understanding what
> > > I see.
> > 
> If you ask for a site survey, the ONCORE driver will average the next 10000
> positions, taken at 1s intervals, which takes about 3hours.
> 
> It puts the result in the clockstats file (I accumulate this in /var/log/ntpstats/clockstats)
> and in the messages log, with log-level LOG_NOTICE.  The default is for messages with
> log-level of LOG_NOTICE and above to get logged, so the messages should be there too.
> 
> In either case, grep for the string 'ONCORE_SS_DONE' .  That will be followed by a message that
> says 'Surveyed posn:'  and the position as lat/lon/ht.
> 
> Good luck.
Thanks for this and from Hal. But still how can I see drift of less than
1 microsecond? The peers command in ntpq is only measuring microseconds
- what else do you use?