[ntp:questions] GPS_NEMA, but high offset and jitter?

Terje Mathisen "terje.mathisen at tmsw.no" at ntp.org
Fri Feb 26 09:19:46 UTC 2010

Kelsey Cummings wrote:
> Rob wrote:
>> This is normal with NMEA. You never will get stable time when using
>> an NMEA time source. For that, you need PPS. Your PPS is apparently
>> not working.
> It feels like I must be missing something here, running with -d I can
> confirm that PPS doesn't appear to be working - after enabling flag3 as
> well.
> 25 Feb 13:53:21 ntpd[75656]: 041d 0d kern PPS enabled
> 25 Feb 13:53:21 ntpd[75656]: 042d 0d kern PPS no signal
> ...

Which flags are you using? I had to change my setup after compiling the 
latest ntp-dev code base.


- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"

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