[ntp:questions] ntp drops gps/pps - lets time drift

Rob nomail at example.com
Fri Jun 10 07:37:31 UTC 2011


David Lord <snews at lordynet.org> wrote:
> Rob wrote:
>> David Lord <snews at lordynet.org> wrote:
>>>> server 127.127.28.0  minpoll 4
>>>> fudge 127.127.28.0  time1 0.290 refid GPS stratum 3  #garmin
>>>> server 127.127.28.1  minpoll 4 prefer
>>>> fudge 127.127.28.1  refid PPS
>>> Try with prefer for the refclock rather than the PPS
>>>
>>> server 127.127.28.0  minpoll 4 prefer
>> 
>> Not a good idea.  127.127.28.1 is the preferable source.
>
> So far as I know the prefer peer needs to give the time rather than
> just a second marker.

That is what the gpsd PPS source does.
It is not like a PPS driver in ntpd.




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