[ntp:questions] Problems distibuting time from GPSD programto NTPD

Johan Swenker no_spam_please at swenker.xs4all.nl
Wed Feb 6 01:02:58 UTC 2008

On Mon, 04 Feb 2008 19:48:04 +0000, Jason Rabel wrote:

>>> I have a gpsd and ntpd in connection running on a Fedora 5 box.
>>Why not connect the gps directly to ntpd? (if it supports nmea output) If
>>it has PPS output you get magnitudes higher accuracy.
> Linux doesn't directly support a PPS signal (unless you use some 3rd party
> code to patch and recompile a custom kernel), that is why he is using GPSD
> as a helper app (which feeds the PPS timing via SHM to NTP).

Be sure to upgrade to gpsd 2.36, or backport the leapyear patch which 
was distributed on januari 1st. 

Regards, Johan

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