[ntp:questions] Time synchronization

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Sat Feb 7 21:06:10 UTC 2009


>gpsd does not perform any filtering at all.  it puts the timestamp
>data from NMEA and PPS into shared memory and lets ntpd do all the
>filtering via the shm driver.

I tweaked the shm driver a while ago.  It's in ntp-dev.

It used to grab one sample per polling interval. Now it grabs
one per second and lets the refclock code do the filtering. 

-- 
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