On Sun, Oct 30, 2016 at 1:29 PM, ogre up <org...@gmail.com> wrote: > Hello everyone, I've setup a NMEA+PPS ntp server, but both ref clock have > strange offset value reported by ntpq -p. >
Your billboard is fine. If you want less jitter in your NMEA sentences you need to buy better hardware. Not necessarily more expensive but better. However it doesn't matter as long as you stay within a few hundred milliseconds of the correct second since the timing is done with PPS and the GPS output is only used to number the seconds. Unfortunately I have no experience with your PPS problem. I prefer using ATOM (PPS) + a GPS specific driver. In the past I've been unhappy using the PPS option in the NMEA driver so I don't bother. Output from a low jitter NMEA compatible GPSDO: remote refid st t when poll reach delay offset jitter ============================================================================== o127.127.22.0 .GPPS. 0 l 2 8 377 0.000 0.000 0.002 *127.127.20.0 .FURY. 0 l 1 8 377 0.000 -0.003 0.011 _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions