[ntp:questions] ntp drops gps/pps - lets time drift
snews at lordynet.org
Thu Jun 9 22:37:22 UTC 2011
> 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.
>> and don't use 127.127.0.1
> Did you actually read the posting?
Yes I did
! When I have an outside source, like 0.us.pool.ntp.org or
tick.usask.ca, ntp uses
! the PPS signal perfectly. When I drop the outside source or substitute
! NTP x's out my PPS and then GPS (when reach is 177) even though it is
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