-------- Steve Allen writes: > On Mon 2022-03-07T06:33:31+0000 Poul-Henning Kamp hath writ: > > I looked at the Bulletin A plots this morning to see how DUT1 is > > developing, but then I noticed the 'dX' term plot: > > > > > > https://datacenter.iers.org/singlePlot.php?plotname=BulletinA_All-DX&id=6 > > > > What happened in late 2019 ? > > 2019 October is when USNO had to take their machines offline due to > new security requirements.
But why would that affect only the dX plot ? > Those artifacts do not show at the ObsPM site > https://hpiers.obspm.fr/eop-pc/index.php?index=analysis&lang=en I'm not talking about the two spikes, I'm talking about the oscillation disappearing, and that seems to be in all the data sources ? -- 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
