[LinuxPPS] Synchronizing a ZDA message with NTP using linuxPPS

[Divi.Oillo at ifremer.fr]

Hi,

What is the `ntpserver`?
ntpserver is 134.246.11.121 is our external clock.
This clock provides a ZDA message and PPS.
And it's also a NTP server.

Here is my new ntp.conf:
#134.246.11.121
server ntpserver minpoll 4 maxpoll 16

#Undisciplined Local Clock
server 127.127.1.0 minpoll 4 maxpoll 16

#Generic NMEA GPS Receiver
server 127.127.20.0 mode 8 minpoll 4 maxpoll 16
fudge 127.127.20.0 flag1 1 flag2 0 flag3 1

#PPS Clock Discipline
server 127.127.22.0 minpoll 4 maxpoll 16
fudge 127.127.22.0 flag2 0 flag3 1

techsas:~> ntpq -pn
      remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
x134.246.11.121  .1PPS.           1 u    9   16  377    0.180   15.760   1.266
*127.127.1.0     .LOCL.           5 l    8   16  377    0.000    0.000   0.001
x127.127.20.0    .GPS.            0 l    7   16  377    0.000  -61.472   0.244
  127.127.22.0    .PPS.            0 l    -   16    0    0.000    0.000   0.000

Is this OK? And how can I configure ntp.conf to have my computer clock  
synchronized with the nmea message + pps?

Thanks for your help.

Kind regards

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