I tried adding a refclock PCH in pps mode to my chrony machine, which gets
its time from an ntpd server running on my firewall, which in turn gets
it's time from three different ntp.pool.org-servers. At the moment, the
chrony machine is not talking to any other sources.

Without the refclock, the offset when graphed was fairly shaky, but the
clock settled in to what seemed to be a consistent sync pattern, albeit
with a bit less precision than I would like to have.

After the refclock was added, chrony says that it's lacking a majority and
can't sync for most of the time, and then about every 12 hours it starts to
sync, spends about 90 minutes speeding up the clock, until all of a sudden
it stops, and goes right back to not syncing.

https://cdn.discordapp.com/attachments/821349976999329794/823912884186775572/testing.png
(apologies if external links aren't allowed here) shows a graph of the
measurement.log output during this time. Even though I don't understand
what's going on, I'm fascinated by the behavior. Is there anyone who can
help me understand what is happening based on the data in the graph? Is
there other data needed to explain and understand what is happening?

o/ MW

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