Re: [LEAPSECS] prep for WRC 23

2023-12-25 Thread Michael Deckers via LEAPSECS
   On 2023-12-22 22:35, Seaman, Robert Lewis - (rseaman) wrote: E pur si muove    Natura non facit saltus -- why should UTC? UTC may no longer serve as a kind of solar time (after 2026 or 2035, or somebody said 2040 the other day), but civil time will continue to have engineering

Re: [LEAPSECS] prep for WRC 23

2023-12-24 Thread Warner Losh
On Sat, Dec 23, 2023, 12:02 PM Poul-Henning Kamp wrote: > Michael Deckers via LEAPSECS writes: > > >> My Tl;dr version of the resolution is: > > > >> . Please keep DUT1 less than 100 seconds. > > > k) that the maximum value for the difference between UT1 and UTC > > should be

Re: [LEAPSECS] prep for WRC 23

2023-12-23 Thread Poul-Henning Kamp
Michael Deckers via LEAPSECS writes: >> My Tl;dr version of the resolution is: > >> . Please keep DUT1 less than 100 seconds. >   k) that the maximum value for the difference between UT1 and UTC > should be no less >   than 100 seconds, taking into account the

Re: [LEAPSECS] prep for WRC 23

2023-12-23 Thread Seaman, Robert Lewis - (rseaman)
E pur si muove UTC may no longer serve as a kind of solar time (after 2026 or 2035, or somebody said 2040 the other day), but civil time will continue to have engineering requirements tracing to both solar and atomic time scales. Shenanigans will result, bedeviling future blinkered

Re: [LEAPSECS] prep for WRC 23

2023-12-23 Thread Michael Deckers via LEAPSECS
   On 2023-12-21 18:22, Poul-Henning Kamp wrote: My Tl;dr version of the resolution is: . Please keep DUT1 less than 100 seconds.    I do not read that from the text. The original [page 399] says:    "  recognizing   .   k) that the maximum value for the difference

Re: [LEAPSECS] prep for WRC 23

2023-12-22 Thread Poul-Henning Kamp
Resolution 655 was approved by the WRC plenary, reportedly in a very routine manner and with with neither drama nor long speeches. The full text of the resolution is on page 399 of the provisional final acts: https://www.itu.int/dms_pub/itu-r/opb/act/R-ACT-WRC.15-2023-PDF-E.pdf My Tl;dr

Re: [LEAPSECS] prep for WRC 23

2023-12-21 Thread Michael Deckers via LEAPSECS
   On 2023-11-26 06:59, Steve Allen wrote: This week began the meeting of ITU-R WRC 23.    ..and it ended on 2023-12-15. The ITU-R news channel [https://www.itu.int/en/mediacentre/Pages/PR-2023-12-15-WRC23-closing-ceremony.aspx]    mentions a "key outcome"of WRC23: " ∙ Endorsement of

Re: [LEAPSECS] prep for WRC 23

2023-12-14 Thread Michael Deckers via LEAPSECS
   On 2023-11-26 06:59, Steve Allen wrote: This week began the meeting of ITU-R WRC 23.    After closure of work related to resolution 655 of WRC 2015    at the World Radio Conference 2023 in Dubai, the BIPM has added    the web page    [https://www.bipm.org/en/-/2023-12-12-wrc-dubai]  

Re: [LEAPSECS] prep for WRC 23

2023-11-27 Thread Michael Deckers via LEAPSECS
   On 2023-11-26 17:38, Michael Deckers wrote: online at [https://www.itu.int/oth/R0A0807/en]    when he meant: nline at [https://www.itu.int/pub/publications.aspx?lang=en=R-REP-TF.2511-2022]    Michael Deckers. ___ LEAPSECS mailing list

Re: [LEAPSECS] prep for WRC 23

2023-11-27 Thread Michael Deckers via LEAPSECS
   On 2023-11-26 06:59, Steve Allen wrote: This week began the meeting of ITU-R WRC 23. One preparation for this meeting was a document issued early this year The future of Coordinated Universal Time https://www.itu.int/en/itunews/Documents/2023/2023-02/2023_ITUNews02-en.pdf This looks at