[ntp:questions] Fwd: Fwd: Re: NetBSD GPS/PPS using 4.2.6p3

A C agcarver+ntp at acarver.net
Sun Aug 21 20:12:26 UTC 2011


On 8/20/2011 17:41, David Lord wrote:

>
> My config for NetBSD-5.1 on i386:
>
> # GPS Sure serial tty00 /dev/gps2
> server 127.127.20.2 mode 18 prefer
> fudge 127.127.20.2 time2 0.350 refid GPSb
>
> server 127.127.22.2
> fudge 127.127.22.2 flag2 0 flag3 1 refid PPSb
>
> The Sure output is at a higher baud rate than default hence the
> use of 'mode 18'.
> offset
> *GPS_NMEA(2) GPSb 0 377 -80.444 6.309
> oPPS(2) PPSb 0 377 -0.013 0.004
>
>
> Offset is normally lower than above but peaks at 25-30us when
> system is under heavy load.


That's pretty much what I tried using as well with no luck.  You show a
reach of 377 on PPS and I never get that.  I get zero.  I'll try it
again after I let it run for a bit to collect log data.

I can't think of any reason why this should not work.



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