In message <[EMAIL PROTECTED]>, John Cowan writes: >Warner Losh scripsit: > >> There's an exception for IERS to >> step in two weeks in advance if the earth's rotation rate hickups. > >So if I understand this correctly, there could be as many as 14 >consecutive days during which |DUT1| > 0.9s before the emergency leap >second can be implemented; consequently, the current guarantee is only >statistical, not absolute.
But is it physically relevant ? Has anybody calculated how much energy is required to change the Earths rotation fast enough to make this rule relevant ? -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.