On 06/08/21 20:42, Andreas Mattheiss wrote:
Hello,
just as additional source of information: I have a similar setup here
(ublox PPS into a proper serial port of a PC) and I see a stable offset of
-3 ms to 3 servers on the net (-3 ms to any of them). I'm using ntpd
though.
Regards
Andreas
This is what I see at the ntp host here:
chris@ntp-host:~ % ntpq -pn
remote refid st t when poll reach delay offset jitter
======================================================================
o127.127.22.0 .PPS. 0 l 1 8 377 0.000 0.000 0.001
+192.9.200.168 .GPS. 1 u 10 64 377 0.193 0.001 0.054
*192.9.200.169 .GPS. 1 u 7 64 377 0.354 0.008 0.046
Using mini pc host with two network interfaces, internet and internal
network facing. FreeBSD 12 with ttl pps into the serial port dcd line
via a ttl to rs232 converter...
Chris
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