[ntp:questions] GPS-PPS, standalone server. NTP

David Taylor david-taylor at blueyonder.co.uk.invalid
Tue Jun 6 06:29:06 UTC 2017


On 05/06/2017 22:53, Jakob Bohm wrote:
[]
> Note that any failure in the GPS/GNSS radio hardware that actually
> provides both the PPS pulses and the NMEA messages would be a failure of
> both "ntpd sources".
> 
> Thus such a failure of NMEA+PPS would be more common than a failure of
> NMEA or PPS alone.
> 
>  Enjoy
> Jakob

.. and one failure experienced here was the presence nearby (RF-wise) of 
a GPS jammer.  All GPS receivers lost lock, PPS and NMEA.  Interesting 
to note which continued to provide an /unlocked/ PPS signal!

The PCs continued to sync with the Internet alone.

-- 
Cheers,
David
Web: http://www.satsignal.eu



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