[LinuxPPS] NMEA and NTP

Udo van den Heuvel udovdh at xs4all.nl
Mon May 31 18:54:50 CEST 2010


On 2010-05-31 18:49, Paul wrote:
> I am using 2.6.34 and ntp-4.2.6p1 (compiled using ./configure
> --disable-all-clocks --disable-parse-clocks --enable-NMEA
> --enable-LOCAL-CLOCKS)
> 
> 1. The page on the ntp site for reference clock 20 says that you must
> use fudge1 1  But no mention of this on the Wiki. Is it required to use
> PPS or not?

It is.
server 127.127.20.0 minpoll 4
server 127.127.20.0 flag3 1 flag2 0 flag1 1 time1 0.000


> 2. (More serious). My NMEA lock appears to be working (as far as I can
> see) with only the NMEA as a reference. But I cannot add an external
> peer. When I do so, 2 ntpd processes are started,

???

Udo



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