-report-final.pdf
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org
The UK public dialog on leap seconds has tweeted to call
for participation in its workshops.
2014-06-28: Belfast and Edinburgh
https://twitter.com/LeapSecondsUK/status/476691257709035520
2014-07-05: Birmingham and Cardiff
https://twitter.com/LeapSecondsUK/status/476691895469748225
--
Steve
but at least one server saw its NTP server say there was
https://twitter.com/theckman/status/483767831897440256
https://twitter.com/theckman/status/483785260920872960
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room
with
respect to the reference clock? How often should any divergence be
corrected?
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng
/ReportOfTheIauWorkingGroupOnCoordinatedUniversalTime2014.pdf
In large part the report covers the history of various IAU resolutions
which led to the inception of leap seconds, so it is strange that before
publishing the report the IAU prepended a disclaimer to the document.
--
Steve Allen
-bodies/wrc-15-agenda-item-114
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http
with a character that would be welcomed
by the systems which do not handle leap seconds well.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng
atoms, and there are ways to count
SI seconds while also keeping calendar days based on the earth.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046
would rather see the ITU-R take
that course than follow one based on fear and ignorance.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046
https://attendee.gotowebinar.com/register/4610049207396358401
A webinar by the UK National Measurement Office will cover the
public dialog on leap seconds.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat
This again contains what the Australian web page showed, that the
WRC may be presented with options A, B, and C as ways of deciding
what will happen to leap seconds.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165
that the
radio broadcast time signals *must* provide Universal Time.
I wonder if the ITU-R process can go to its completion without
introducing any document which points out that to omit leap seconds
from a time scale called UTC is to redefine the word day.
--
Steve Allen s...@ucolick.org
that one technical time scale can serve two incompatible
technical purposes. I expect that will result in yet another
generation of confusion and flame wars, until all of the people and
systems who know the current definition of Universal Time are gone.
--
Steve Allen s
the phrase Universal Time UT2 and
does not use the term UTC.
Today's animated discussions about unclear terminology and lack of
congruence between agencies are nothing new.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165
= T(deg Fahrenheit) - T(deg Celsius) = 32 degrees
and when the temperature reaches -40 then
Delta T = 0 degrees
That difference is not a temperature, just like Delta T for eclipse
timing predictions is not a duration.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS
scary big, and I take them as
powerful rationale that the IANA tz timezone project should make
no effort to calculate sub-second offsets for far flung peoples.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat
On Wed 2014-11-05T11:11:38 +, Tony Finch hath writ:
Does anyone know where SOFA iauDat got its data for 1960 from? Because
that predates the USNO table.
By the way, which USNO table is that?
I'm wondering if it is actually a reprint of the BIH table.
--
Steve Allen s
On Wed 2014-11-05T15:49:05 +, Tony Finch hath writ:
Steve Allen s...@ucolick.org wrote:
By the way, which USNO table is that?
http://maia.usno.navy.mil/ser7/tai-utc.dat
Yes, that is the table from the BIH, who were given responsibility
for the coordination as of the beginning of 1961
anything beyond Please don't call something
you do TAI unless you are BIPM :).
http://www.itu.int/rec/R-REC-TF.536/en
TF.536 is not in force. It was suppressed on 2011-02-18
I think there might be some get off my lawn in the story behind that.
--
Steve Allen s...@ucolick.org
if it disappears from the
current website, for if so, then it really will look like
the IAU has taken a stand.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831
of earth rotation which is distinct from
Atomic Time, and that UTC is appropriately named because it includes
characteristics of both.
Has the IAU taken a vote or produced a further statement at a General
Assembly which changes (or even addresses) that definition of
Universal Time?
--
Steve Allen
in the Metrologia article. The documents from the IAU and
the CCIR were using different vocabularies for the radio broadcasts.
So there is no surprise that the head of the BIPM later apologized
about regrettable misunderstandings, especially between astronomers
and physicists.
--
Steve Allen
for its values.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org/~sla
The final report of the UK leap seconds dialog is at
http://leapseconds.co.uk/reports-findings-dialogue/
Search for the word congestion where it looks as if it once had a
footnote mentioning a system which has avoided leap second problems by
adopting a purely atomic time scale.
--
Steve Allen
in order to convert to local time.
That makes the tzdist protocol into one-stop shopping for info about
the offset from UTC as stored by whatever operating system.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165
in the literature. Pick your favaorite number.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
of
leap seconds.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org/~sla
practices of systems which are working okay
rather than change things that affect the laws of member nations.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1
On Wed 2015-02-11T15:05:26 +0100, Steffen Nurpmeso hath writ:
Steve Allen s...@ucolick.org wrote:
|The IERS Paris bureau is also providing such a file. That makes at
|least three separate sources for this information. Each source has a
|different timestamp, a different expiration date
Yesterday the Asia-Pacific Telecommunity held a 3 hour session in
Bangkok on the ITU-R leap second issue as part of getting ready for
the second conference preparatory meeting (CPM15-2) that will be held
at the end of this month.
http://www.aptsec.org/2015-APG15-4
--
Steve Allen
The European CEPT Electronic Communications Committee
ruminates on the leap second situation at ITU-R WRC-15
http://apps.ero.dk/eccnews/jan-2015/wrc-15-universal-time.html
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II
of abandoning leap seconds affects the
definition of the day.
I haven't seen how the delegates can make an informed decision to
forge a new agreement when they have inputs that do not contain
analysis of of important technical, legal, and cultural aspects.
--
Steve Allen s...@ucolick.org
and US almanacs started the day at noon through 1924.
Starting in 1925 the almanacs switched to the civil practice
of starting the day at midnight.
The citable references for these transitions are linked within
http://www.ucolick.org/~sla/leapsecs/timescales.html
--
Steve Allen s
, IEEE 1588,
BeiDou, and IRNSS and 'Just Say No' to UTC.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA
this is irrelevant to the activities which will happen at
ITU-R WRC-15, and I don't think that misdirecting attention will help
the ITU-R decide what to do.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat
in
radio broadcast time signals will not fix devices which are claiming
the existence of leap seconds which were never announced nor
implemented by the radio broadcast time signals.
The false servers in the NTP pool cannot be fixed by issuing a document.
--
Steve Allen s
, and very different from the
random walk estimate of Matsakis at USNO.
If there is a problem with my web pages I will be happy to debate
it either publicly or discus it privately.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II
it. NTP and the NTP
pool are more robust too, so that will be better. But there were
other problems that nobody has talked about openly, and nothing in the
current versions of the Linux kernel is going to fix those.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick
On Sat 2015-01-10T05:59:39 -0800, Steve Allen hath writ:
other problems that nobody has talked about openly, and nothing in the
current versions of the Linux kernel is going to fix those.
In case anyone is talking with news media there is an easy-to-grok
demo of the chaotic handling of the most
a time zone.
Last week I submitted a few examples of how that could work
http://www.ietf.org/mail-archive/web/tzdist/current/msg01215.html
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156
-offset-from: 0,
utc-offset-to: -10
},
That expiration data is inherent in the tzdist protocol as a way of
making it clear that the timezone data have limited valid range.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences
#
#@ 3660249600
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org
On Mon 2015-01-12T07:10:23 -0800, Steve Allen hath writ:
at the moment the most reliable source
is probably the IANA TimeZone Database
https://www.iana.org/time-zones
That comes with a caveat that it does not instantly respond to the
changes, so the most recent release is 2014j from November
On Mon 2015-01-12T12:14:22 -0800, Steve Allen hath writ:
The new version which is in github reads
# Updated through IERS Bulletin C49
# File expires on: 28 December 2015
#
#@ 3660249600
but also, the new version of the NIST leap-seconds.list file which
is included
the decision was not only of a technical nature but had some
regulatory and legal consequences.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org/~sla/ Hgt +250 m
these with the DNS mechanisms being
developed on LEAPSECS leads me to wonder ...
Are there other features which would be desirable as part of a file
intended to robustly communicate the full known history of leap
seconds?
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO
Demetrios Matsakis with Robin Young of WBUR's Here and Now
http://hereandnow.wbur.org/2015/02/18/leap-second-time
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High Street
.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org/~sla/ Hgt +250 m
of the existing
draft. Those are from
United States
Russia
UK
China
UAE, Algeria, Egypt, Jordan, Qatar, Sudan
Germany
I think this is an unprecedented level of active participation.
So it seems the CPM will be doing a lot of wordsmithing on
the document to be presented for a vote at WRC.
--
Steve Allen
to some
other timescale depending on the purpose at hand.
Exactly so. Before 1972 civil time was not SI seconds.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165Lat +36.99855
1156 High StreetVoice
calibrated.
And then they must be reduced by going back to look at, e.g.
https://plus.google.com/photos/112320138481375234766/albums/6078225731350227361
Please don't try to make this part of a General Timestamp API.
Before 1972, for a general API, there is just UT.
--
Steve Allen s
1.14 there are going to be a whole
bunch of delegations arguing over the meaning of calendar day
with some insisting that it is related to the rotation of the earth
and others denying the validity of the question.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick
It looks like Kyushu Telecommunication network is considering its
own version of the leap smear
http://www.slideshare.net/apnic/the-leap-second-is-coming-by-tomonori-takada-apricot-2015
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB
On Wed 2015-03-04T07:42:46 +, michael.deckers via LEAPSECS hath writ:
On 2015-03-04 02:23, Steve Allen wrote on the
Getting meaninglessly pedantic, in Survey Review v19 #143 p7 (1967)
A.R. Robins had been talking with Sadler and Smith and with that
information in hand he wrote
as an alternative time reference.
Without the assent of the BIPM it is hard for there to be an agreed
upon name for real-time versions of time scales that are trying to
track the value of TAI (which will not actually be available until the
next issue of Circular T).
--
Steve Allen s
, and restarted over a second later -- or
kept on disk and replicated and restarted even later, multiple times.
What happens with a negative leap second is a lot like what happens to
non-real-time processes and machines as a routine part of operation.
--
Steve Allen s...@ucolick.org
standard for a time scale, but it
does conform to the actual number of seconds which have been broadcast
by transmissions which have followed CCIR and ITU-R recommendations.
--
Steve Allen s...@ucolick.orgWGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room
Recommendation 460, that is a complete lack of concern for the
distinction between UTC and GMT.
The CCIR were wrong when they thought they could solve all problems
with a single time scale where nobody but the Time Lords would ever
have to worry about the difference.
--
Steve Allen
in favor of more precise modern techniques.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http
that they could not
consider re-reducing the older observations to the newer system.
Everyone just had to hope that any shifts/discontinuities due to
the change of techniques and models were inconsequentially small.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick
the blame!
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http://www.ucolick.org/~sla/Hgt +250
are another.
And as Boeing has just revealed about the 787, counting past 2**31
centiseconds is another. Bugs will always happen.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High Street
overhead at noon UT1 is 0.18 s farther east than the International
Reference Meridian.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng
with decimals to 0.1 microsecond, or 100
nanoseconds.
I don't believe 3 ns is significant for any time stamp from that
era.
Right. There is no record of the available time scales that can
say anything about the time differences at that level.
--
Steve Allen s...@ucolick.org
-ietf-tzdist-service/
We choose to use those for time zones, and if at WRC-15 the ITU-R
chooses to preserve the rotation of the earth as the basis for the
calendar day then we can choose to use those protocols for leap
seconds.
--
Steve Allen s...@ucolick.org WGS-84
of the studies are
inconclusive.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http
/ArchiveServlet?issueid=CCE8E0F3-D604-4341-847D-2450912C7378lmid=archives
https://attendee.gotowebinar.com/register/7459379719283518978
about the leap second, preparedness, regulatory issues, etc.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB
On Wed 2015-05-13T07:37:17 -0700, Steve Allen hath writ:
FIA deals with financial futures, options, derivatives and is
preparing for the leap second.
https://fia.org/articles/fia-response-2015-leap-second-event
Which has moved to
https://fia.org/articles/fia-coordinates-industry-preparations
with firmware 3.906 or lower
OEM6 receivers with firmware 6.100(OEM060100RN) or lower
http://www.novatel.com/assets/Documents/Bulletins/2015-Leap-Second.pdf
Avaya AIC 7.2.x AIC 7.3.X for Windows/Solaris and AIX platforms
https://downloads.avaya.com/css/P8/documents/101009257
--
Steve Allen
An issue with the Linux kernel handling of leap seconds was revealed
at the end of May. The discussion thread in the LKML mentions ways of
codifying smears.
https://lkml.org/lkml/2015/6/3/891
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB
interoperable implementations before they approve a
standard.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
actually kindof hard, because I know of no standard time
package which will do it.
Pictures of this at
http://www.ucolick.org/~sla/leapsecs/amsci.html
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
CGSIC is echoing a Department of Homeland Security document about
the impending leap second.
http://www.navcen.uscg.gov/pdf/cgsic/Leap_Second_Best_Practices_20150526_Intrl_Version.pdf
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural
work without any choices.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064http
because the denizens
there have memory of many of the crazy things that local officials
have declared during the history of the tz project.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High
irrelevant.
This a huge gulf between the sysadmins, their regulators who have
required the use of UTC rather than TAI or GPS, and the precice time
and frequency communities.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II
writes, this next leap should be very interesting.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
On Mon 2015-06-01T17:36:34 +, Poul-Henning Kamp hath writ:
In message 20150601172537.gc14...@ucolick.org, Steve Allen writes:
We need a resolution of the issue so that the out-of-the-box defaults
can just work without any choices.
I'm happy that you have finally realized why some parties
other details to be handled outside the kernel in the libraries and
applications.
If that decision for the kind of day is any form of Universal Time
then, over the long span of time, POSIX is counting mean solar
seconds, not SI seconds.
--
Steve Allen s...@ucolick.org
-briefs-and-ecps-for-wrc-15
Method A is supported by France.
Method C is supported by Russia.
I am certain that the diplomats are continuing to negotiate.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat
p seconds in new and old Cisco equipment.
There's a whole series of notes on other Cisco boxes.
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 30
from Asia-Pacific
Telecommunity
R15-WRC15-C-0032!A14!MSW-E.docx
which prefers method A1, rejects method B, and cautions about A2.
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High
... the press coverage of WRC-15 and the leap second
http://spectrum.ieee.org/tech-talk/computing/networks/leap-second-heads-into-fierce-debate
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36
msci.html
For a historic view of the LOD going back 2000 years look at the plots on
http://www.ucolick.org/~sla/leapsecs/dutc.html
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High Street
ations in LOD that happen on a
weekly basis due to weather. Folks in the earth rotation bureaus want
to see a detectable earthquake-induced LOD change so that they can
publish, but I haven't seen such a paper. I believe that it is easier
to find the effect of a large snowstorm in the LOD data.
--
A casual glance demonstrates that nobody is maintaining the blog
content at the UK Public Dialog on Leap Seconds.
http://leapseconds.co.uk/discuss/general-discussion/
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Scien
vented a
regional position from being reached.
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
Spectrum Management Group (ASMG)
http://www.itu.int/md/R15-WRC15-C-0025/en
They want no change
[ 62 ]
2015-10-15
China (People's Republic of)
http://www.itu.int/md/R15-WRC15-C-0062/en
They support A1
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Obser
as had no luck getting the attention of
her own nation's delegation and she wrote to here wondering if we knew
a way. I had to write sadly that I suspect that most of the
cooperating organizations have already had their deadlines for setting
up credentials for WRC.
--
Steve Allen
of an international recommendation.
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
there. In particular the one on
http://www.itu.int/md/R15-WRC15PREPWORK-C-0008/en
has a chart on page 13 which shows the currently known positions of
the regional groups. There is no consensus.
--
Steve Allen s...@ucolick.org WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural
of the
agencies have no position, and others disagree, so no consensus
is evident.
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122
can move toward a resolution of this issue.
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Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95
solar time while preserving the words about meridian and
longitude. The resulting text was incongruous nonsense trying to
indicate some connection between longitude and atomic time. I hope
the final result of WRC makes more sense than the proposal I saw.
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Steve Allen <s...@ucolick.or
The news is official. Leaps until 2023, and more studies.
https://www.itu.int/net/pressoffice/press_releases/2015/53.aspx
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Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High
hange") to the WRC-15. I surmise that the Department of
State holds a grudge against any country which dared to oppose the
"abolish leap seconds immediately" position of the US.
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Steve Allen<s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB 260
f particular requirements.
So this is cool, and may be applicable to some applications, but I'm
not sure which ones those are.
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Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High Stree
contemporary records of 500 years ago.
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Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice: +1 831 459 3046 Lng -122.06015
Santa Cruz, CA 95064
years ago, so the notion of
second had a contemporary meaning which was much more figurative
than precise.
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Steve Allen <s...@ucolick.org> WGS-84 (GPS)
UCO/Lick Observatory--ISB Natural Sciences II, Room 165 Lat +36.99855
1156 High StreetVoice
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