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Re: [gpsd-dev] A detail in your ntpoffset script

From: Eric S. Raymond
Subject: Re: [gpsd-dev] A detail in your ntpoffset script
Date: Tue, 22 Oct 2013 19:22:40 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

Beat Bolli <address@hidden>:
> This is correct, but I was assuming that the PPS doesn't have to be
> fudged, because it is directly connected to the kernel PPS via an
> interrupt. I have a fudge offset only on the GPS unit, and none on the
> PPS. This seems to make sense to me, because only the NMEA stuff is
> delayed by the RS232 transmission.

Ahh. OK, I think I get it. So step 5 should read like this, then?

5. Adjust the "time1" value for unit 0 of your ntp.conf (the non-PPS
   channel) by subtracting the average offset from step 4.
                <a href="";>Eric S. Raymond</a>

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