It would certainly improve the time differences, but would presumably not
change the accuracy of the absolute time. That would be the accuracy of your
(inital) ntp absolute time. So it would depend on what it was that you wanted
the accuracy for.
William G. Unruh __| Canadian Institute for|____ Tel: +1(604)822-3273
Physics&Astronomy _|___ Advanced Research _|____ Fax: +1(604)822-5324
UBC, Vancouver,BC _|_ Program in Cosmology |____ un...@physics.ubc.ca
Canada V6T 1Z1 ____|____ and Gravity ______|_ www.theory.physics.ubc.ca/
On Tue, 1 Feb 2022, Joe Williams wrote:
[CAUTION: Non-UBC Email]Hello list,
I have a NIC that has an OCXO onboard accessible via /dev/ptp2. If I set up
chrony to use it as a PPS
refclock and have an external NTP server for wall clock time would that work
and improve accuracy of my
system clock? Would I need to discipline the PHC from system time, presumably
using phc2sys?
Example config:
server time.facebook.com
refclock PHC /dev/ptp2 pps
Thanks!
-Joe
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