If I have palisade prefer PPS comes up fine within a minute or so.
When I tried making pps prefer it got an x beside the PPS.
I waited for an hour or 2 but it was still marked bad.
Not sure what's going on there..

this is the relevant part of the config:

# PPS
server 127.127.22.0 minpoll 4 maxpoll 4 # prefer # noselect
fudge 127.127.22.0 flag2 0 flag3 1 flag4 0 # time1 0.000016

# palisade on ttyS0
server 127.127.29.0 minpoll 4 maxpoll 4 prefer
fudge 127.127.29.0 flag2 0 # time1 0.000015

As you can see I have tried different time1 for both clocks.

I am not familiar with the mindist option.
Will go check it out.

I'll wait until the jitter settles down and post the offset.




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Subject: Re: [ntp:questions] Acutime Gold

Mark C. Stephens wrote:
> remote           refid  st t when poll reach  delay   offset  jitter
> ====================================================================
> oPPS(0)          .PPS.   0 l    4   16  377   0.000   -0.003   0.005
> *GPS_PALISADE(0) .GPS.   0 l    4   16  377   0.000    0.014   0.002
>
> For the above wouldn't I need to advance PPS by time1 0.003?

I don't think so.


> And retard the palisade by time1 -0.014?
> Assuming these are the average values.
>
> Because I tried those values and the PPS got marked bad ticker and the 
> palisade  was unreachable!

AFAIK, the way most people do it, is to have several refclocks / servers,  and 
change to noselect, the one you want to check the serial end  of line offset; 
let it run for a day or two, and take the average.

According to the driver doc,
 a serial end of line time1 offset of around 20ms is common.

You might also need to increase the mindist.

You might also want to prefer the PPS.


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