[ntp:questions] TXCO derived PPS and Atom PPS Clock Discipline driver

Göran Sandin gsan.news at mailnull.com
Mon Oct 18 14:19:32 UTC 2010


On 2010-10-18 15:05, Viktar Palstsiuk wrote:
> Hello
>
> I use TXCO derived PPS. I set date and time manually.
> Is it correct to use Atom PPS Clock Discipline driver with ntp.conf like this:
>
> server 127.127.22.0 minpoll 4 maxpoll 4 prefer
> fudge 127.127.22.0 flag3 1

> But still can not get good PPS(0) status in ntpq -p
>
>
>       remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
>   PPS(0)          .PPS.            0 l    -   16    0    0.000    0.000   0.000

Hi Viktar,

as far as I understand, you need another source to provide the time as 
well. "prefer" keyword should be on the other source.

Check this page 
http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver22.html

/Göran




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