[LEAPSECS] LEAPSECS Digest, Vol 82, Issue 6

Steve Allen sla at ucolick.org
Sat Aug 10 14:38:59 EDT 2013

On Sat 2013-08-10T18:13:12 +0000, Poul-Henning Kamp hath writ:

> No, there are three classes of systems:


> 1. Those which ignore leapseconds

> 2. Those which handle the leapseconds

> 3. Those which depend on leapseconds


> Estimated ratios: 10,000,000 : 1,000 : 1

Extending this, of all these systems which depend on the radio
broadcast time signals (or internet reconstructions of them)
not one cares what name is used by humans referring to the signals.

>From the 1960s thru the 1970s the resolutions and recommendations from

IAU, CCDS, CGPM, CCIR made it clear that the phrase "Universal Time"
is a proper name for mean solar time (a subdivision of calendar days)
and that Coordinated Universal Time is a form of atomic time that
serves both purposes. In 1978 the CCIR disbanded its special working
group with the pronouncement that the problems were solved. That
shortsightedness was a "Failure of Imagination" that puts the ITU-R
process to shame.

Steve Allen <sla at ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 http://www.ucolick.org/~sla/ Hgt +250 m

More information about the LEAPSECS mailing list