[LEAPSECS] dismaying news

Warner Losh imp at bsdimp.com
Wed Nov 18 00:32:44 EST 2015

"If you choose not to decide, you still have made a choice" -- Rush

I wonder if they will reach a decision before the Temples of Syrinx are
overthrown in 2112 :)


On Tue, Nov 17, 2015 at 10:25 PM, Steve Allen <sla at ucolick.org> wrote:

> Last Thursday the chair of WRC-15 Special Working Group 5A3 submitted
> Temporary Document [68]
> Proposals relating to agenda item 1.14
> http://www.itu.int/md/R15-WRC15-151102-TD-0068/en
> No further meetings of SWG 5A3 are on the calendar.
> The contents of that will not be available until after it is
> considered by a plenary session, but Saturday the CEPT ECC published a
> MSWord document of news from the second week of WRC-15 at
> http://www.cept.org/ecc/groups/ecc/cpg/page/news-from-cept-at-wrc-15,-second-week
> The dismaying news in that document says there will be no decision
> from WRC-15.  That means the earliest decision is at WRC-19, so there
> will be leap seconds in the radio broadcast time scale at least until
> 2023.  The news item reads
>     The sub working group (SWG 5A3) has finished its work and has
>     developed a draft new WRC Resolution (as part of way forward)
>     which will be discussed at WG5A meeting.
>     The draft Resolution sets out the framework for further work in
>     collaboration with relevant bodies (i.e.  BIPM/CIPM/CGPM etc) as
>     ITU is not a proper body to decide the definition of UTC, and will
>     report back in 2023 and meanwhile the ITU-R Recommendation TF
>     460-6 (with leap seconds) will continue to apply until 2023.
>     The draft resolution was agreed in the sub working group however
>     the group could not reach an agreement on proposals to modify the
>     article 1.14 of the Radio Regulations (RR) and both options now
>     will be will be discussed at the next WG5A level.
>     Next step: Further discussions at the WG5A level.
> By 2023 the process of reconsidering leap seconds will have gone on
> for more than two decades.  I suspect that many technical applications
> will find they have enough agency to choose a better time scale in the
> absence of an international recommendation.
> --
> Steve Allen                 <sla at ucolick.org>               WGS-84 (GPS)
> UCO/Lick Observatory--ISB   Natural Sciences II, Room 165   Lat  +36.99855
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