ereafter condemned to conform to
specifications for a political compromise that gave no clues about its
underlying technical barrenness.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street
hority to cause all nations to change calendar days from mean solar
days to atomic days.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.0
er
arrangement would have required effectively duplicating the
expertise and hardware of the BIH and finding a way to fund that.
Prompting governments or journalists to open an investigation into the
process of writing an international "technical" specification that was
violated in less
ns.
I think Microsoft was able to achieve this because Windows 10 is
designed to be continuously updated, including leap second
information, with new code from corporate headquarters. This would
not have been possible with an earlier version of Windows, nor with
most any other system.
--
ePlot.php?plotname=FinalsAllIAU2000A-LOD-BULA=9
The earth has accelerated so that it is spinning as fast as it was
during World War 2, and before that, the 1890s.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.9985
how long each day
has been according to the IERS bureau predictions and keeping a
sports statistics page on how the earth is doing.
They ran a year end article looking over the stats
https://www.timeanddate.com/time/earth-faster-rotation.html
--
Steve Allen WGS-84 (
Judah Levine has begun a multi-part essay
Everyday Time and Atomic Time
https://nist.medium.com/everyday-time-and-atomic-time-part-one-9107b60fd9d0
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High
On Wed 2021-03-31T20:55:05-0700 Steve Allen hath writ:
> Judah Levine has begun a multi-part essay
> Everyday Time and Atomic Time
> https://nist.medium.com/everyday-time-and-atomic-time-part-one-9107b60fd9d0
Part 2 on music and frequency
https://nist.medium.com/everyday-time-and-atomic-
seconds are the perfect solution,
then abruptly continues about how that did not turn out to be true.
Near the end are sound snips from the 2015 ITU WRC delegates
deciding not to decide.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II
lass is tough"
-- Barbie
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 https://www.
us/1419239590532206597
which famously includes highlighted text from the section of the GPS
ICD that describes the need to do modulo arithmetic along with the URL
to the new version of the firmware.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural
you want to compare
it with the value deemed as correct by other systems and required by
regulations you will have to check back later using another
interface."
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.9
I suspect nothing unusual is happening.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 https://www.uc
to the number of elapsed SI seconds in the value of TAI.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
happened in late 2019 ?
2019 October is when USNO had to take their machines offline due to
new security requirements.
Those artifacts do not show at the ObsPM site
https://hpiers.obspm.fr/eop-pc/index.php?index=analysis=en
--
Steve Allen WGS-84 (GPS)
UCO/Lick
istory it may
be the case that the celestial pole position wobble around the
predictable position is smaller when the rotation is accelerating.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High
URSI resolved about leap seconds
https://www.ursi.org/Publications/RadioScienceLetters/Volume3/RSL21-0047-final.pdf
It includes yet another passive voice redacted history of why they
were implemented.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260
added to UTC
https://files.igs.org/pub/resource/IGS_LeapSecond_Statement_Final.pdf
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
by saying that the absence of
leap seconds will not be noticed for 2000 years.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa
semi/annual variation.
caveat is that plot may change before you all look at it.
The rotation of the earth's crust started accelerating right when
the CCIR decided that we should start using leap seconds.
karma
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB
/journees_pdf/SessionIV_1/LIU_JiaCheng.pdf
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 https://www.uco
Orolia has a 17 minute podcast about leap seconds
https://www.orolia.com/place-and-time-episode-3-the-leap-second-on-trial/
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street
.org/~sla/leapsecs/seasonal.html
Is it not the case that references to the 19 year Metonic cycle
should be references to the 18.6 year Draconic cycle?
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 Hi
rectly
was not yet technically possible. So the principals guarded their
speech into their retirement and death rather than advocate that
the leap second scheme was necessarily temporary and would need to
be replaced by something better.
--
Steve Allen WGS-84 (GPS)
UC
Levine, Tavella, and Milton have an upcoming article for Metrologia
on the issue of leap seconds in UTC
https://iopscience.iop.org/article/10.1088/1681-7575/ac9da5b
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat
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://iopscience.iop.org/article/10.1088/1681-7575/ac9da5b
sorry, stray character appended to my cut and
ry scarce and the
decadal fluctuations can take the value of Delta T far askew.
It takes a lot of work to recognize the useful descriptions.
The authors clearly also wanted to typset Amharic.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II,
today in leap second clickbait
https://supplycloset.supplies/2022/12/04/scientists-killed-the-leap-second-your-birthday-could-be-next/
Scientists Killed The Leap Second. Your Birthday Could Be Next.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260
job Sadler could not have dared
to describe the consequences of that in plain language.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06
On Sun 2022-11-20T13:23:32+ Kevin Birth hath writ:
> As far as I can tell, they were never successful, but it did keep them busy.
As Rod Serling wrote in The Big Tall Wish
You got to believe, Bolie.
But worse, because in this arena infidels will not be tolerated.
--
Steve Al
It was King Charles II who oversaw the inception of GMT.
If King Charles III lives as long as his mother then
he will oversee the conclusion of GMT.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High
what I choose it to mean--neither more nor less.'
'The question is,' said Alice, 'whether you CAN make words mean so
many different things.'
'The question is,' said Humpty Dumpty, 'which is to be master--
that's all.'
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--I
Starting tomorrow the CGPM meets in Paris.
Resolution D says leap seconds must die.
CGPM will almost certainly approve that resolution.
https://www.nytimes.com/2022/11/14/science/time-leap-second.html
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260
- UT1|, UTC had to change its name so that "polysemy" is avoided.
The funny part there is that UT1 does not mean what they think it means.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.
will handle that eventuality we need to be
openly considering the goals and implementation for that already.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046
andable" solution to the political problem.
We do not have Hari Seldon theory to guage the psychohistory of
international alliances and how they will align with each other about
answering "What time is it?"
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observato
On Mon 2023-03-20T00:55:26+ Seaman, Robert Lewis - (rseaman) hath writ:
> Much consternation will be feigned.
I will be making much use of the Michael Jackson eating popcorn gif
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences
lished.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street Voice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064 https://www.ucolick.org/~sla/ Hgt
ll smear.
This is like Eucla Australia setting their clocks the way they
please and daring the state government to do something about it.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855
1156 High Street
On Mon 2023-05-22T16:44:30+0200 Tony Finch hath writ:
> The prospect of a negative leap second is receding. The longer-term
> projected length of day from Bulletin A has been increasing towards 24h
> in recent months.
We can probably put a lot of the blame onto El Niño
--
St
ger being performed according to the ritual found in the
old log books of ships. If the calculations are now performed by
machines that are connected to telecom systems then all of the
nitty gritty details like DUT1 are probably in the computer.
--
Steve Allen WG
abulation would be reliably correct and do all the new
calculations still largely by hand, but most of all because their
other job was to provide legal time, and legal time was based on mean
solar time.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260
would
like UTC to stop having leap seconds. Many also allow that keeping
agreement with the earth in the long run is necessary, and that they
have no idea how to do that.
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat
he news articles
about not betting on predictions of earth rotation. Also do not
forget McCarthy and Matsakis previously looking at the trend
https://insidegnss.com/will-we-have-a-negative-leap-second/
--
Steve Allen WGS-84 (GPS)
UCO/Lick Observatory--ISB 260 Nat
501 - 544 of 544 matches
Mail list logo
