Is this list not active? Should I try a different avenue?
> > Message: 1 > Date: Sun, 10 Feb 2013 01:30:34 -0600 > From: WebDawg <[email protected]> > To: [email protected] > Subject: [Pool] GPS as Single Time Source > Message-ID: > <cakdd5h_kr3e8gmokhsbsoffcavrx-fphhsoehwoi5xhucop...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hello, > > I have gpsd setup and tried to setup ntpd to read it as a time source > by itself. These are the config lines: > > #Working - pulls time from gpsd memory socket - System-V IPC shared memory > #server 127.127.28.0 minpoll 4 maxpoll 4 > #fudge 127.127.28.0 time1 0.035 refid GPS > #PPS does not work with 18x USB only serial > #server 127.127.28.1 minpoll 4 maxpoll 4 prefer > #fudge 127.127.28.1 refid GPS1 > > #Another Test > # gps ntp > server 127.127.28.0 minpoll 4 > fudge 127.127.28.0 time1 0.183 refid NMEA > server 127.127.28.1 minpoll 4 prefer > fudge 127.127.28.1 refid PPS > > They both work (I can switch to one or the other) but only when I have > a network ntp server added to the list. And really the one that > references NMEA does not work as after a while an x shows up near the > source. If I do not have a network ntp server added to the list I get > zeros from the ntpq -p command. A working output is: > > ntpq -p > remote refid st t when poll reach delay offset jitter > ============================================================================== > *SHM(0) .NMEA. 0 l 4 16 377 0.000 -14.110 16.825 > SHM(1) .PPS. 0 l - 16 0 0.000 0.000 0.000 > tock.usshc.com .GPS. 1 u 1 64 7 99.160 -143.59 4.545 > 199.102.46.73 ( .GPS. 1 u 2 64 7 103.704 -144.68 6.429 > xen1.rack911.co 209.51.161.238 2 u - 64 7 63.014 -140.85 4.677 > clock.team-cymr 204.123.2.5 2 u 1 64 7 75.855 -126.65 4.341 > > Here is an output configured with GPS and GPS1: > > ntpq -p > remote refid st t when poll reach delay offset jitter > ============================================================================== > *SHM(0) .GPS. 0 l 15 16 377 0.000 -53.266 21.243 > SHM(1) .GPS1. 0 l - 16 0 0.000 0.000 0.000 > 50-56-172-94.st 43.77.130.254 2 u 45 64 7 62.655 -17.163 49.430 > 198.147.23.42 127.67.113.92 2 u 44 64 7 52.989 -24.542 48.459 > barricade.rack9 209.51.161.238 2 u 44 64 7 69.605 -25.625 47.037 > 38.101.77.21 204.9.54.119 2 u 45 64 7 61.600 -19.259 46.769 > > GPS1 references PPS which this receiver does not have. > > I have tried ntpd latest and ntpd-dev in vain. > > Why is this not working? Why do I have to have an added network ntp > server? Someone mentioned something about polling being bad. I am > using a Raspberry Pi and Archlinux ARM. The GPS I am using is a > Garmin GPS 18x USB . I know I cannot use it as a very great source > because it does not support PPS but it still should work. > > I am out of ideas. The next thing I can try is a different version of > gpsd but I really do not think this is the problem because that simple > config change to ntpd's conf file and it gets time. > > I am using version 3.7 of gpsd and now, ntpd - NTP daemon program - > Ver. 4.2.7p353 . I was using ntpd latest stable which comes with > arch. > > Please Help. > > Web.... > > > ------------------------------ _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
