[ntp:questions] Re: Garmin 18lvc working (finally!)
crichmon at localhost.localdomain
crichmon at localhost.localdomain
Wed Mar 29 15:25:48 UTC 2006
In article <slrne2k33e.21b.crichmon at localhost.localdomain>, crichmon at localhost.localdomain wrote:
> Following Dave Taylor's config and setting the unit for
> GPRMC NEMA strings seems to have got me going. Here's
> some of the data. Not sure what to make of the log
> messages. At the moment, the unit is on top of the bookself
> in my office.
> remote refid st t when poll reach delay offset jitter
>==============================================================================
> xlp486.chaos.hom 63.192.96.2 3 u 40 128 377 0.189 5.224 0.018
> *GPS_NMEA(1) .PPS. 0 l 22 64 377 0.000 0.002 0.001
Here's some more data after running overnight. The logs surely indicate
some sort of error with the receiver or my hardware.
[crichmon at tua512 ~]$ /usr/sbin/ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
xlp486.chaos.hom 63.192.96.2 3 u 34 64 377 0.178 5.946 1.839
*GPS_NMEA(1) .PPS. 0 l 23 64 377 0.000 -0.003 0.003
[crichmon at tua512 ~]$ /usr/sbin/ntpdc -c kern
pll offset: -1.838e-06 s
pll frequency: 33.021 ppm
maximum error: 0.002887 s
estimated error: 1.5e-05 s
status: 2107 pll ppsfreq ppstime ppssignal nano
pll time constant: 6
precision: 6.28e-07 s
frequency tolerance: 496 ppm
pps frequency: 33.021 ppm
pps stability: 0.052 ppm
pps jitter: 9.3789e-05 s
calibration interval: 256 s
calibration cycles: 191
jitter exceeded: 1148
stability exceeded: 6
calibration errors: 0
This pattern ran all night.
Mar 29 03:13:16 tua512 ntpd[1554]: pps sync disabled
Mar 29 03:13:24 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 03:16:40 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 03:17:35 tua512 ntpd[1554]: pps sync disabled
Mar 29 03:17:45 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 03:18:50 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 03:19:45 tua512 ntpd[1554]: pps sync disabled
Mar 29 03:19:55 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 03:26:23 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 03:27:18 tua512 ntpd[1554]: pps sync disabled
Mar 29 03:27:27 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 03:27:28 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 03:48:02 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 03:48:57 tua512 ntpd[1554]: pps sync disabled
Mar 29 03:49:07 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 04:20:10 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 04:20:52 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 04:21:16 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 04:23:23 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 04:24:19 tua512 ntpd[1554]: pps sync disabled
Mar 29 04:24:26 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 04:44:48 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 04:45:45 tua512 ntpd[1554]: pps sync disabled
Mar 29 04:45:54 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 04:59:55 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 05:00:50 tua512 ntpd[1554]: pps sync disabled
Mar 29 05:01:00 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 05:01:01 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 05:02:05 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 05:06:21 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 05:07:16 tua512 ntpd[1554]: pps sync disabled
Mar 29 05:07:24 tua512 ntpd[1554]: kernel time sync enabled 2107
Mar 29 06:20:23 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 06:21:18 tua512 ntpd[1554]: pps sync disabled
Mar 29 06:21:28 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 06:21:29 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 06:22:35 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 06:38:54 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 06:39:48 tua512 ntpd[1554]: pps sync disabled
Mar 29 06:39:59 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 06:40:00 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 06:41:06 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 06:42:11 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 06:44:11 tua512 ntpd[1554]: pps sync disabled
Mar 29 07:00:24 tua512 ntpd[1554]: clock GPS_NMEA(1) event 'clk_fault' (0x03)
Mar 29 07:01:18 tua512 ntpd[1554]: pps sync disabled
Mar 29 07:01:26 tua512 ntpd[1554]: synchronized to 192.168.0.1, stratum 3
Mar 29 07:01:27 tua512 ntpd[1554]: synchronized to GPS_NMEA(1), stratum 0
Mar 29 07:03:34 tua512 ntpd[1554]: kernel time sync disabled 2307
Mar 29 07:04:31 tua512 ntpd[1554]: pps sync disabled
Mar 29 07:04:37 tua512 ntpd[1554]: kernel time sync enabled 2107
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