On Dec 21, 1:36 pm, unruh <un...@wormhole.physics.ubc.ca> wrote: > On 2009-12-21, xyz-2041 <xyz2...@gmail.com> wrote: > > > > > ntpq> pe GPS line reads: > > > GPS_NMEA(1) .GPS. 0 l - 64 0 0.000 > > 0.000 0.001 > > > ntpq> rv > > assID=0 status=06f4 leap_none, sync_ntp, 15 events, event_peer/ > > strat_chg, > > version="ntpd 4.2....@1.1607-o Wed Dec 16 07:24:35 UTC 2009 (1)", > > processor="i386", system="FreeBSD/7.2-RELEASE", leap=00, stratum=2, > > precision=-20, rootdelay=53.694, rootdispersion=31.936, peer=3269, > > refid=18.26.4.105, > > reftime=ceda45a9.1bda1b54 Mon, Dec 21 2009 13:06:17.108, poll=8, > > clock=ceda4a7b.9a36d363 Mon, Dec 21 2009 13:26:51.602, state=4, > > offset=-3.784, frequency=-47.665, jitter=2.066, noise=3.569, > > stability=0.026, tai=0 > > Is the gps plugged into the serial port?
Yes. I may have to get out the volt meter to see which pin is giving the pulse. Is the PPS line operating ( eg > does it have an led on it to let you know that it is working)? Yeppers. Blinks once a second in sync with WWV. >And > serial interrupts turned on? How would I check on FreeBSD? > > > > > # ntptime > > ntp_gettime() returns code 0 (OK) > > time ceda48c0.01611ba4 Mon, Dec 21 2009 13:19:28.005, (.005388419), > > maximum error 445680 us, estimated error 3569 us, TAI offset 0 > > ntp_adjtime() returns code 0 (OK) > > modes 0x0 (), > > offset -3119.252 us, frequency -47.665 ppm, interval 4 s, > > maximum error 445680 us, estimated error 3569 us, > > status 0x2001 (PLL,NANO), > > time constant 8, precision 0.001 us, tolerance 496 ppm, > > pps frequency -47.445 ppm, stability 0.000 ppm, jitter 0.000 us, > > intervals 0, jitter exceeded 0, stability exceeded 0, errors 0. > > > What to check next? _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
