[ntp:questions] Using Trimble TSIP under Linux

David Taylor david-taylor at blueyonder.co.uk.invalid
Mon Oct 29 03:15:29 UTC 2012


On 28/10/2012 20:50, A C wrote:
[]
> If your PPS signal is on /dev/pps0 as you describe, add the ATOM driver
> (number 22) in addition to your SHM (gpsd) driver and it will be fine:
>
> This is exactly how I have my own server running (but not on an R-pi).
> PPS comes in via one port, gpsd SHM comes in from another port and two
> drivers (22 and 28) take care of gluing them together.
>
[]
> server 127.127.22.0  minpoll 4 maxpoll 4

  A C thanks for your reply.  I added the 127.127.22.0 server and 
removed the 127.127.28.1 server, but I don't see any line relating to 
the ATOM driver in the ntpq -p output.  Should I?  Perhaps the "*" will 
simply turn to a "o" after enough time?  Makes me wonder whether my NTP 
has been compiled with ATOM support - I'm using the one which comes with 
the current Linux for the Raspberry Pi.


server 127.127.28.0  minpoll 4 maxpoll 4
fudge 127.127.28.0 time1 +0.350 refid GPS  stratum 15

server 127.127.22.0 minpoll 4 maxpoll 4
fudge 127.127.22.0 refid PPS

server 192.168.0.3  minpoll 5 maxpoll 5  iburst prefer
server 192.168.0.2  minpoll 5 maxpoll 5 iburst
server 192.168.0.7  minpoll 5 maxpoll 5 iburst
pool uk.pool.ntp.org  minpoll 10  iburst


C:\Users\David>ntpq -p 192.168.0.14
      remote           refid      st t when poll reach   delay   offset 
  jitter
==============================================================================
xSHM(0)          .GPS.           15 l    8   16  377    0.000   11.801 
  5.676
*pixie           .PPS.            1 u   21   32  377    0.505   -3.762 
  1.053
+FEENIX          .PPS.            1 u   19   32  377    0.532   -3.063 
  0.701
+Stamsund        .PPS.            1 u   23   32  377    0.542   -3.183 
  0.628
-dns0.rmplc.co.u 193.62.22.74     2 u  252 1024    1   20.971    0.201 
  5.270
  server1.terrybu .INIT.          16 u    - 1024    0    0.000    0.000 
   0.000
xpanzer.charliec 252.102.21.12    4 u  250 1024    1  111.728   16.757 
  6.968
  time.videxio.ne .INIT.          16 u    - 1024    0    0.000    0.000 
   0.000

-- 
Cheers,
David
Web: http://www.satsignal.eu



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