Ubuntu 16.04 with ntpd using NEMA/PPS..

[Peter Silva]

OK... but I think it is still supposed to be 127.127.22.0   not 20.0

https://www.eecis.udel.edu/~mills/ntp/html/drivers/driver22.html


On Wed, Jul 13, 2016 at 1:59 AM, Howard Leadmon <howard at leadmon.net> wrote:
> According to all the docs, for ntpd, the current ntpd included with Ubuntu
> 16.04 is plenty new enough that it's atomized.  Here are the notes from
> ntp.org:
>
> In NTP versions after 4.0.99k23 is NMEA driver atomized what means that for
> PPS processing we don't need neither ATOM driver nor PPS command in
> ntp.conf.
>
> Looking at what is on the Ubuntu server I see:   ntpd 4.2.8p4
>
>
>  Though to be honest, I did try adding in the atom for PPS processing as
> well, and it made no difference.   I think the trick is finding out why the
> kernel clock when I look with ntptime is not showing anything.   If I can
> beat that one, I may win the battle..
>
>
> ---
> Howard Leadmon
>
>> -----Original Message-----
>> From: ubuntu-users-bounces at lists.ubuntu.com [mailto:ubuntu-users-
>> bounces at lists.ubuntu.com] On Behalf Of Nils Kassube
>> Sent: Tuesday, July 12, 2016 3:02 PM
>> To: ubuntu-users at lists.ubuntu.com
>> Subject: Re: Ubuntu 16.04 with ntpd using NEMA/PPS..
>>
>> Howard Leadmon wrote:
>> > server 127.127.20.0 mode 16 minpoll 3 prefer fudge 127.127.20.0 flag1
>> > 1 flag2 1 flag3 1 time1 0.0
>>
>> AIUI that's the entry for GPS, but you would also need a server for PPS
> like
>>
>> server 127.127.22.0 ...
>>
>> See "/usr/share/doc/ntp-doc/html/drivers/driver22.html" from the package
>> ntp-doc.
>>
>>
>> Nils
>>
>>
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