On Fri, 22 Jul 2016 20:15:53 +1000, MKF wrote:

PC internal clocks are (by timekeeping standards) very inaccurate. PC
clock can drift by seconds a day. Modern versions of windows can
synchronise with a time server but by default only do it once a week.
(You can't easily alter this either)

You can actually.

so can be out by 10's of seconds.
Using the free Meinberg NNTP software
https://www.meinbergglobal.com/english/sw/ntp.htm you can alter the
synchronisation interval to any time.


I think you mean NTP, not NNTP!

Yes, I use the Meinberg stuff and have for a long time. I run my own
stratum 3 NTP servers anyway.



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