-------- In message <20150701104812.GE16965@localhost>, Miroslav Lichvar writes:
>On Tue, Jun 30, 2015 at 09:42:50PM +0100, Rob Seaman wrote: >> Any thoughts on watching Google’s (or anybody else’s) smear in action? Kind >> of like watching paint dry, but still… > >It seems the Google leap smear has finished. Here is a plot of offsets >of some Google servers I included in my leap second monitoring. > >https://mlichvar.fedorapeople.org/leap2015/google_smear.png > >It was apparently a linear smear which is difficult to follow for NTP >clients. It's the other way around. They dropped the raised-cosine thing, because the change of frequency was bad for the NTP clients PLL's. The linear smear is just a slightly different frequency for a fixed period of time, that's a lot easier for the PLL to track. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ LEAPSECS mailing list LEAPSECS@leapsecond.com https://pairlist6.pair.net/mailman/listinfo/leapsecs