Re: RTC time: n/a


Mike B
 

Yup on for 24  hours, brand new out of the package battery.

Now I have had GPS lock since last night, so I think I may have solved the reception issue (put gps antenna on an empty altoids tin at same location as before...)  or just got lucky...

Mike
KF5DEY

pi@draws:~/n7nix/gps $ ./verify_time.sh

        timedatectl

               Local time: Sun 2020-03-29 10:50:59 CDT
           Universal time: Sun 2020-03-29 15:50:59 UTC
                 RTC time: n/a
                Time zone: America/Chicago (CDT, -0500)
System clock synchronized: yes
              NTP service: inactive
          RTC in local TZ: no

        chronyc sources

210 Number of sources = 6
MS Name/IP address         Stratum Poll Reach LastRx Last sample
===============================================================================
#? GPS                           0   3     0   979   -337ms[ -337ms] +/-  106ms
#* PPS                           0   3     0   978  +3032ns[+3025ns] +/-   11us
^- clock.sjc.he.net              1  10    37   980  -6892us[-6892us] +/-   32ms
^- tick.srs1.ntfo.org            3  10   377   366  -8714us[-8714us] +/-  134ms
^- ntp1.wiktel.com               1  10   357   23m    -14ms[  -14ms] +/-   35ms
^- linode227395.stevemeacha>     3  10   275   40m  -5000us[-7211ns] +/-   58ms

        chronyc sourcestats

210 Number of sources = 6
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
GPS                         6   3   151   -408.037   3835.704   -709ms    22ms
PPS                        10   4   526     +0.000      0.055   +120ns  7808ns
clock.sjc.he.net           27  17   84m     -0.263      1.181  -6134us  1752us
tick.srs1.ntfo.org         60  33   10h     +0.003      0.097  -6130us  2668us
ntp1.wiktel.com            24  10  500m     -0.094      0.201  -9183us  2122us
linode227395.stevemeacha>  44  24  589m     -0.060      0.089  -8188us  1766us

        chronyc tracking

Reference ID    : 50505300 (PPS)
Stratum         : 1
Ref time (UTC)  : Sun Mar 29 15:34:40 2020
System time     : 0.000000002 seconds fast of NTP time
Last offset     : -0.000000004 seconds
RMS offset      : 0.000075341 seconds
Frequency       : 5.940 ppm fast
Residual freq   : +0.000 ppm
Skew            : 0.058 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.001043428 seconds
Update interval : 8.0 seconds
Leap status     : Normal

        chronyc activity

200 OK
4 sources online
0 sources offline
0 sources doing burst (return to online)
0 sources doing burst (return to offline)
0 sources with unknown address

        chronyd systemctl status

● chrony.service - chrony, an NTP client/server
   Loaded: loaded (/lib/systemd/system/chrony.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2020-03-29 00:21:08 CDT; 10h ago
     Docs: man:chronyd(8)
           man:chronyc(1)
           man:chrony.conf(5)
  Process: 478 ExecStart=/usr/sbin/chronyd $DAEMON_OPTS (code=exited, status=0/SUCCESS)
  Process: 499 ExecStartPost=/usr/lib/chrony/chrony-helper update-daemon (code=exited, status=0/SUCCESS)
 Main PID: 494 (chronyd)
    Tasks: 2 (limit: 2200)
   Memory: 3.4M
   CGroup: /system.slice/chrony.service
           ├─494 /usr/sbin/chronyd -F -1
           └─497 /usr/sbin/chronyd -F -1

Mar 29 00:21:31 draws chronyd[494]: Selected source GPS
Mar 29 00:21:31 draws chronyd[494]: System clock wrong by 9.604035 seconds,…rted
Mar 29 00:21:41 draws chronyd[494]: System clock was stepped by 9.604035 seconds
Mar 29 00:21:51 draws chronyd[494]: Selected source 69.89.207.99
Mar 29 00:21:53 draws chronyd[494]: Selected source 208.79.89.249
Mar 29 00:21:53 draws chronyd[494]: Selected source 69.89.207.99
Mar 29 00:25:33 draws chronyd[494]: Selected source GPS
Mar 29 00:26:11 draws chronyd[494]: Source 208.79.89.249 replaced with 148.…3.91
Mar 29 00:26:21 draws chronyd[494]: Selected source PPS
Mar 29 09:09:25 draws chronyd[494]: Source 148.251.183.91 replaced with 216….202
Hint: Some lines were ellipsized, use -l to show in full.

        gpsd systemctl status

● gpsd.service - GPS (Global Positioning System) Daemon
   Loaded: loaded (/lib/systemd/system/gpsd.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2020-03-29 00:21:08 CDT; 10h ago
  Process: 513 ExecStart=/usr/local/sbin/gpsd $GPSD_OPTIONS $OPTIONS $DEVICES (code=exited, status=0/SUCCESS)
 Main PID: 516 (gpsd)
    Tasks: 3 (limit: 2200)
   Memory: 1.4M
   CGroup: /system.slice/gpsd.service
           └─516 /usr/local/sbin/gpsd -n /dev/ttySC0 /dev/pps0

Mar 29 00:21:08 draws systemd[1]: Starting GPS (Global Positioning System) …n...
Mar 29 00:21:08 draws systemd[1]: Started GPS (Global Positioning System) D…mon.
Hint: Some lines were ellipsized, use -l to show in full.
gpsd: 3.20 (revision 3.20)
pi@draws:~/n7nix/gps $

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