copied from gpsd users list

Hal Murray hmurray at
Fri Mar 20 02:16:58 UTC 2020

Gary said:
>> refclock shm unit 1 minpoll 4 maxpoll 4 refid GPSD prefer stratum 1
> Why prefer a crappy time source?? 

There may be some confusion with/from the NMEA/PPS setup.  The PPS driver 
needs some other driver to get the right second.  It gets that via prefer.

These are my opinions.  I hate spam.

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