[ntp:questions] pps breaks when nmea is enabled for ntpd

Doug Calvert dfc-list at douglasfcalvert.net
Sun Jun 16 05:01:16 UTC 2013


On Sat, Jun 15, 2013 at 8:54 PM, Richard Cagley <rcagley at gmail.com> wrote:
> Very interesting. So, you just have this as your ntp.conf file?
>
> server  127.127.20.1    mode 0  minpoll 4 maxpoll 4  prefer
> fudge   127.127.20.1    flag1 1 flag3 1 refid PPS
>
> When I do this I think only the GPS/127.127.20.0 line shows up in the
> output. How do I know PPS is working? With just these two lines in my
> ntp.conf file should I expect two lines in the output of ntpq -p?
>

If PPS is working there should be a "o" in the first column of the
ntpq billboard. (and it wont kick in right away, you have to wait a
teeny bit)


More information about the questions mailing list