[time-nuts] Garmin 18x GPS WNRO, revisited

David J Taylor david-taylor at blueyonder.co.uk
Fri Nov 29 18:27:46 UTC 2019


From: Rich Wales

I may have found the answer to my own question.

I added "time1 619315200" to the "refclock" line in my ntp.conf file,
and restarted ntpsec, and it appears to be sane once again.

(And, of course, 619315200 = 7,168 days = 1,024 weeks.)

Rich Wales
richw at richw.org
====================================

Thanks for reporting that, Rich.  I haven't seen that issue with either the 
GPS18 LVC, or the GPS18x LVC, but neither have been powered down.  Were 
yours running continually?  Anyway, I love the fix!

I'm running reference NTP here, and noted that with a type 22 PPS driver, 
the "prefer" must include the type 20 NMEA driver.  With the problem 
pending, I had hoped that using an e.g. Internet source for coarse time 
might have been enough, and had commented out the NMEA source, but it 
appears not to be the case.  The PPS was never used (but it appeared in the 
billboard).

Cheers,
David
-- 
SatSignal Software - Quality software for you
Web: http://www.satsignal.eu
Email: david-taylor at blueyonder.co.uk
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