On 6/15/23 10:50 PM, Poul-Henning Kamp wrote:
Tom Van Baak writes:
Steve,
> We can probably put a lot of the blame onto El Niño
That sounds plausible but I'm suspicious of quick and simple explanations.
I dont think the primary El Niño phenomena involves enough
mass transport to
On 11/15/22 1:34 PM, Poul-Henning Kamp wrote:
Demetrios Matsakis via LEAPSECS writes:
Another one, about traffic accidents, showed a whole bunch of wiggles =
over a year, and said that one of those coincided with a DST switch.
That one is actually pretty well documented in Europe, bu
On 10/28/22 11:10 AM, Steffen Nurpmeso wrote:
Steve Allen wrote in
<20221028045813.ga20...@ucolick.org>:
|On Thu 2022-10-27T19:25:01-0700 Steve Allen hath writ:
|> Levine, Tavella, and Milton have an upcoming article for Metrologia
|> on the issue of leap seconds in UTC
|>
|> https://
On 11/12/20 3:45 PM, Poul-Henning Kamp wrote:
predicts that d(UT2)/d(TAI) = 1 after 2021-11-13, ie
the rates of UTT2 and TAI are expected to agree for the
next year. This has never happened since 1961. We may
not need to abolish leap seconds for quite a while.
Unl
On 4/27/20 4:58 AM, BASTIAN Michelle wrote:
Hi all,
I’m wondering if anyone has a copy of the report from the UK public
dialogue on leap seconds that happened in 2014/2015 or so? The
government website has a broken link unfortunately..
https://www.gov.uk/government/news/report-on-findings-of
On 2/13/20 6:47 AM, Seaman, Robert Lewis - (rseaman) wrote:
Conceivably Ruth Belville might satisfy the language:
https://en.wikipedia.org/wiki/Ruth_Belville#/media/File:Ruth_Belville_1908.jpg
Assuming Ms. Belville (or her successors) set their watches
appropriately, yes. And it would be a pr
On 2/13/20 5:46 AM, Richard Langley wrote:
"(i) Within 180 days of the date of this order, the Secretary of Commerce shall
make available a GNSS-independent source of Coordinated Universal Time, to support the
needs of critical infrastructure owners and operators, for the public and private se
On 1/16/19 12:31 AM, Poul-Henning Kamp wrote:
In message <20190115205243.gb25...@ucolick.org>, Steve Allen writes:
On Tue 2019-01-15T12:34:11-0800 Gary E. Miller hath writ:
Yes, and no. time_t is just seconds since an epoch. Which epoch
is not well defined. The epoch may well be any
On 1/15/19 6:34 PM, Rob Seaman wrote:
Hi Jim,
The use case is this - I have a satellite in orbit which does
everything internally in terms of GPS week and millisecond of week.
Folks on the ground work in UTC, since that's what the plethora of PCs
are using.
Just to verify. The satellite does
On 1/15/19 4:19 PM, Hal Murray wrote:
The trick is to find a source that will set a POSIX system to TAI, and then
to avoid the gotchas that happen when such a system interacts with other
POSIX systems.
What do the systems that point telescopes use for maintaining their system
clock? Do they
On 1/15/19 11:41 AM, Rob Seaman wrote:
Isn't this covered (for instance) in section 20.3.3.5.2.4(b) of
IS-GPS-200J (https://www.gps.gov/technical/icwg/IS-GPS-200J.pdf)? The
various libraries and operating systems listed deal with none of the
reference time scales (GPS, UTC, or TAI, for that mat
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