[LEAPSECS] USNO predictions of UT1-UTC

Gerard Ashton ashton at ieee.org
Sun Mar 19 21:03:50 EDT 2023


One of the reasons the implementation of the suppression of leap seconds
was placed so far in the future is that GLONASS is said to rely on the
current implementation of UTC. I wonder, if the international authorities
decided to suppress a negative leap second but Russia decided that GLONASS
couldn't work with that, would Russia create a fork of UTC to use with
GLONASS. What would they call it? Maybe UTC?

On Sun, Mar 19, 2023 at 8:55 PM Seaman, Robert Lewis - (rseaman) <
rseaman at arizona.edu> wrote:

> Isn’t the question whether those responsible for issuing leap seconds will
> follow through and trigger a negative leap second even if Bulletin A says
> it’s time? Much consternation will be feigned.
>
>
>
> Rob Seaman
>
> Lunar and Planetary Laboratory
>
> University of Arizona
>
>
>
>
>
> On 3/19/23, 5:21 PM, "LEAPSECS" wrote:
>
>
>
> On Sun 2023-03-19T19:24:56-0400 Demetrios Matsakis via LEAPSECS hath writ:
> > https://insidegnss.com/will-we-have-a-negative-leap-second/
> > Will We Have a Negative Leap Second?
>
> The USNO predictions in IERS Bulletin A have been pretty good...
>
> https://www.ucolick.org/~sla/leapsecs/bulla52w.html
>
> It will be interesting to see what kind of consternation arises
> if the predictions start saying the negative leap is impending.
>
> Somewhere in USNO/UKHO somebody has been making longer term
> predictions for use in the navigational almanacs, but as far
> as I know those have never been published.
>
> --
> Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
> UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat
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