Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-03-01 Thread Kelsey Cummings
David J Taylor wrote: As Bill comments, I hope your milliseconds are actually microseconds! Yes! == oGPS_NMEA(1) .GPS. 0 l 21 64 377 0.000 0.002 0.004 ... Thanks to everyone for helping me work thro

Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-03-01 Thread Kelsey Cummings
David J Taylor wrote: ... > I would knock something up if there were enough interest, but it would > be a Windows program so of limited interest to the OP. That's the idea anyway. At the time, I was convinced the PPS signal was showing clearly and it was but with the led transistor in backwards t

Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-02-25 Thread Kelsey Cummings
Rob wrote: This is normal with NMEA. You never will get stable time when using an NMEA time source. For that, you need PPS. Your PPS is apparently not working. It feels like I must be missing something here, running with -d I can confirm that PPS doesn't appear to be working - after enablin

Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-02-24 Thread Kelsey Cummings
Hal Murray wrote: How about turning off the PPS fudge flag so you know you are using the text mode. Then watch it for a while and add a fudge time2 to get it reasonably close. When that works, turn the PPS back on. I added time2 to zero out the offset and things looked good for about an hour

Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-02-24 Thread Kelsey Cummings
David J Taylor wrote: The reach = 0 suggests that the signals from the GPS are not being seen. I'm not sure why it lost sync but I went ahead and upgraded to 4.2.7p5 from the ntp-dev port. I'm still seeing high offset and variable jitter.

[ntp:questions] GPS_NEMA, but high offset and jitter?

2010-02-22 Thread Kelsey Cummings
204.9.54.119 2 u 283 512 377 86.5629.086 2.488 The -192.52 and 27.455 stats for the GPS have been constant for 72+ hours now. Any suggestions as to what the problem could be? -- Kelsey Cummings - k...@sonic.net sonic.net, inc. System Administrator

Re: [ntp:questions] GPS_NEMA, but high offset and jitter?

2010-02-22 Thread Kelsey Cummings
Kelsey Cummings wrote: FreeBSD 8.0, with built in ntpd (4.2.4p5) and PPS_SYNC enabled with a Garmic 18LVC. I'm going to go install the devel version to see if this issue persists. Serves me right not to notice the most recent thread. ;)