Re: what should a time standard encompass?

costs of doing business for *EVERYONE*, not just for some. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

FITS and the crafting of standards

to handle the leapseconds issues. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: What problems do leap seconds *really* create?

the observatories in the world could assuredly handle any change. But in the context of the history of time scales, changing the character of UTC would still be the wrong thing to do. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046

Re: What problems do leap seconds *really* create?

of UT1 and TAI. Only civil time and UTC are at issue. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: Leap seconds in the European 50.0 Hz power grid

rely solely on power grid phase locks to keep SI time? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: Leap seconds in the European 50.0 Hz power grid

everywhere, and is a root of the problem at hand. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

UTC vis a vis civil time

systems, especially telescopes. It must not be done without a lead in period of many years. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89

Re: UTC, leap seconds, and the BIPM, IAU, ITU et.al.

in LEAPSECS before this time. Dr. Matsakis, who is a member of this working group, pointed out that discussions in this mailing list have tended toward the uncivil. In part that is due to a lack of information being supplied by and about the proponents of discarding leap seconds. -- Steve Allen

Re: Some personal notes on the Torino meeting

via all these other means, how relevant are the recommendations of the ITU-R regarding time signal emissions? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94

Re: Unifying Atomic Time and the post-Gregorian calendar corrections

changes of the earth's orbit or obliquity which are predictable enough to justify complicating the SRG's business. Nevertheless, I'll ask around just to be more sure. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http

Re: Universial Time, Terrestrial Time -- time for new terminology?

collateral damage on all the other legal codes and standards that cite those concepts. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4

Re: religious concerns

the results of the IAU GA meetings of Division I and Commission 31, or some other new external input, before hypothecating much further. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5

Re: Meridian Conference proceedings scanned

On Mon 2003-07-14T22:05:18 +0100, Joseph S. Myers hath writ: I have scanned in the proceedings of the 1884 Meridian Conference. Until further notice the raw scans are available via http://www.ucolick.org/~sla/leapsecs/scans-meridian.html -- Steve Allen UCO/Lick Observatory Santa

when the media comes a knocking

On Wed 2003-07-23T00:30:50 -0700, Steve Allen hath writ: As news coverage goes, the apparent tone underlying that interview was of the oh God they've stuck a camera and microphone in my face and I can't extrapolate a random variable with a quadratic trend in my head ilk. Supposing

ITU-R TF.460 past, present, and future

process of re-evaluating UTC in broadcast time signals? Could it in effect be that some of the folks at USNO and/or NIST actually wished to wrestle the standard away from the ITU in order to remedy some of the problems caused by its proprietary nature? -- Steve Allen UCO/Lick Observatory

leap history and air traffic

not? That makes it seem as if somebody has not been trying, or that the leap second scheme for UTC as implemented is so broken that there can be no progress. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP

the analemma

On Sat 2003-08-23T01:55:17 -0700, Steve Allen hath quoted: the serious dissensions between those concerned with standard frequencies and those who request a time system connected with the Earth's rotation (astronomers, geodesists, navigators etc.) and I also find it a bit curious

what is the active standard?

it can adopt a new version? If so, doesn't that mean that different versions may be in simultaneous use by different agencies? Or is this just another example of sloppy documentation regarding the authority by which leap seconds exist? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA

a prescriptive easement?

must be approved unanimously by the member nations. Might it be easy to derail a change that ceases to provide mean solar time altogether? How accurately does a radio broadcast time signal need to provide mean solar time in order to satisfy all members? -- Steve Allen UCO/Lick

if you read German

If so, the amount of leap seconds media coverage is getting large http://www.ucolick.org/~sla/leapsecs/onlinebib.html#Media -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5

GeT

, it appears to have died before the end of calendar year 2000. Again judging from press coverage, this was in part due to the fact that Internet Exploder apparently considered (and rightly so IMHO) that changing the system clock was outside of the Java sandbox. -- Steve Allen UCO/Lick

power grids and leap seconds

them much more often than every leap second. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: the legacy of ephemeris time

rotation and time). If that replacement is not done as part of a 2022 makeover then it will surely be even more difficult later. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6

Re: the legacy of ephemeris time

the process now? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: trading time

the underlying nature of local civil time. The doctor should not prescribe radical surgery for the entire world, but rather work with Galileo's physical therapist. What the satellites can and cannot do is going to guide and constrain all applications of this sort. -- Steve Allen UCO/Lick

Re: trading time

the use of the metric system has been legal for over a century. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: trading time

of interest. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

GPS will fail

if they are considering any such issues. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: GPS will fail EVEN SOONER

On Wed 2003-12-24T13:33:37 -0800, Steve Allen hath writ: The current downlink data format for the GPS satellites stores the difference between GPS system time and UTC using 8-bits. oops. I've just re-read the GPS Interface Control Document. Those 8-bits are a signed quantity. It can count

atomic clock history

I've just run into a website with some autobiographical material by Essen which covers the developments that originally brought leap seconds into being: http://www.btinternet.com/~time.lord/index.html -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED

Re: GPS will fail EVEN SOONER

enough of a conspiracy theorist to suppose that the invalidation of that patent might be a motivating factor for discontinuing leap seconds. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024

Re: GPS will fail EVEN SOONER

the stochastic nature of the decadal oscillations in LOD, how far into the future is it likely that such a Diophantine equation will be valid? Given the link above, this algorithm is undoubtedely also patentable. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED

Re: that wretched AP article on leap seconds

/dutc.html#lod.png -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: Leap Seconds on Mars?

services to spacecraft with mediocre clocks http://www.eecis.udel.edu/~mills/ipin.html -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4

no leap in June

in the popular press. Hopefully next time they'll get the facts better. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

name the equinox contest on now

://syrte.obspm.fr/iauWGnfa/NFAQuest.html The responses are wanted this week, but the fact is that it is difficult to make sense of the proposals without familiarity with the past 20 years of literature on coordinate systems. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064

Re: name the equinox contest on now

page at http://www.ucolick.org/~sla/leapsecs/timescales.html -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: name the equinox contest on now

to the creation of ephemeris time as a replacement for universal time. And that's not to mention the light lag... -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E

Re: name the equinox contest on now

will have long since clarified conundrums like the one posed in the title of this paper http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2001AJ122..482F to wit Global Rotation of the Nonrotating Origin -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL

Discover magazine

that time is a quantity whose value is subject to humanity, and not vice versa. The web preview is at http://www.discover.com/issues/mar-04/features/leap-seconds/ -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http

Re: GPS versus Galileo

would need one leap second per day. Presumably by that time humanity will have come up with a better idea. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E

martian solar day confusion

throughout the solar system, discontinuing leap seconds is not going to alleviate these sorts of problems. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E

Re: GPS versus Galileo

to within 256 seconds. Fortunately that will be a relatively robust guess for many, many centuries. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49

Re: ITU-R SRG7A Turin colloquium proceedings available online

that they did not wait until tomorrow, for then they would have been able to announce the release of the fate of the leap second on the leap day. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024

Re: Unifying Atomic Time and the post-Gregorian calendar corrections

-- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

CCTF and the future of UTC

. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

recent CCTF meeting

The photograph at http://www.bipm.org/jsp/en/CCPicture.jsp?cc=CCTF strongly suggests that the CCTF met according to schedule at the beginning of the month. Is anyone able to reveal any actions related to leap seconds? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL

precision time web search

request that members of the precision timekeeping community, especially any at the BIPM, enhance their web pages. It would be good for the web surfing public to have a more authoritative (and hopefully more accurate) website than my own detailing the inner workings of atomic time. -- Steve Allen

leaps and C language standards

For the past two weeks in the USENET newsgroup comp.std.c there has been a discussion of the handling of the C language time_t type now and in the future. The hottest topic this past weekend has been the handling of leap seconds, or lack thereof. -- Steve Allen UCO/Lick Observatory

Re: ITU Meeting last year

/archives/nc1893wp7a/1.doc -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: ITU Meeting last year

/leapsecs/dutc.html I would be obliged to know about it. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: ITU Meeting last year

offer the following: http://www.ucolick.org/~sla/leapsecs/SRG7Afinalreport.doc http://www.ucolick.org/~sla/leapsecs/PropRevITU-RTF460-6.doc It seems that atomic clock keepers have lost all interest in the continued existence of mean solar time, sundials, or the analemma. -- Steve Allen UCO

Re: two world clocks AND Time after Time

of a time scale is also large. That cost is eternal, and eventually ends up demanding a name change anyway. The belief that a precisely-defined time scale can have a basic characteristic changed without eventually incurring the cost of also changing the name is a fantasy. -- Steve Allen

Re: two world clocks AND Time after Time

and sunset have required haversines. That's why the newspapers publish them. Trigonometry was not required for simple civil life. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78

Re: two world clocks AND Time after Time

Oxfordshire alone. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

leaps in jazz/rock fusion

resellers at http://www.ear-rational.com/detail.php?id=16603 http://www.squidco.com/miva/merchant.mv?Screen=PRODStore_Code=SProduct_Code=4501 http://www.fusion3.com/works/rune210/ -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046

GMT - UTC in Australia

be matched to mean solar days or not. -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89 0E FE 26 B4 14 93

Re: GMT - UTC in Australia

On Tue 2005-02-22T18:27:36 -0800, Steve Allen hath writ: Australia has decided to redefine its legal time scale. The bill was introduced today. Details of Bill 11 are found here. http://www.parliament.nsw.gov.au/cgi-bin/isys/isyswebext.exe?op=geturi=/isysquery/irl66ce/1/doc/#hit1 The text

Re: GMT - UTC in Australia

On Wed 2005-02-23T23:02:14 -0800, Steve Allen hath writ: [ the New South Wales bill ] defines UTC as being determined by the BIPM. So it remains unclear who ultimately controls the fate of civil time in New South Wales. There is sociology behind this statement. W. Lewandowski is Principal

two media links and an inference

of the population of the planet), the USNO believes the role of l'OBSPM for controlling civil time is irrelevant? -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F

interesting thing of the day

A new web article on leap seconds and timekeeping http://itotd.com/index.alt?ArticleID=534 -- Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064 [EMAIL PROTECTED] Voice: +1 831 459 3046 http://www.ucolick.org/~sla PGP: 1024/E46978C5 F6 78 D1 10 62 94 8F 2E49 89

time-nuts

Given that LEAPSECS seems to have gone aphasic, I point out this http://www.febo.com/pipermail/time-nuts/2005-July/ wherein there is an ongoing thread about IERS Bulletin C number 30 -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural

so sorry, Markus

Nature interviewed Markus Kuhn about the leap second and did a good job. UPI has turned the Nature story into an abomination; e.g., http://washingtontimes.com/upi/20050707-090936-2878r.htm -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick Observatory

Re: About UTC / a disaster for classical astronomy

/leapsecs/onlinebib.html#Event2005-07-05 http://www.ucolick.org/~sla/leapsecs/gambis.html -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046

Philippine opinion piece

seriously. But for most of us, a second more or a second less is more or less a question of taste. and happy Bastille Day, albeit a bit late. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858

it's all humor

of discourse. -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165 Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa Cruz, CA 95064http://www.ucolick.org

Re: Who uses DUT1?

, a skilled navigator might get to 50 meter accuracy under the best of circumstances. My unpracticed star shots were 20 times worse than that, so the DUT1 would never have benefitted me. -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural

Re: Wall Street Journal Article

. -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165 Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa Cruz, CA 95064http://www.ucolick.org/~sla

Re: Wall Street Journal Article

editorial process. Why would the proponents risk such a public result? -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165 Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng

Re: new beginning

the predictive capabilities. It would be interesting to know why this option was excluded, but then it would be interesting to really know why any of this is happening. -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room

Re: new beginning

. Of course at the same instant the mean solar second of UT1 also lost all connection with its original intent. For most practical purposes the old FK5-based definitions will remain adequate throughout the next century, or two, but after that... -- Steve Allen [EMAIL PROTECTED

Re: Precise time over time

legal here well over a century ago, and it, in truth, the actual standard by which things operate) then there could hardly be as much objection as the dairies are having right now to the new Daylight Saving Time legislation. -- Steve Allen [EMAIL PROTECTED] WGS-84

Re: Civil Time decision tree v0.5

future, each planet will have its own coordinate time scale. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa Cruz

vive le BIH!

astronomical portion. Will the leap second misinformation never cease? -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa

most recent news

For those who were not on the recipient list (I was not) the most recent leap seconds news is the public release of a letter from P.K. Seidelmann which was sent in July. It was posted here: http://igscb.jpl.nasa.gov/mail/igsmail/2005/msg00114.html -- Steve Allen [EMAIL PROTECTED

Re: Consensus rather than compromise

a fragmentation of practice which would violate offsets from a common reference time and make the situation much uglier. It is not clear whether the pressures of economics and trade can override tradition and national pride. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO

Re: RAS hits the news

receivers will fail by around 2070 or so, but that really should not be much of a surprise or inconvenience to their owners. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of California

response from Germany

for comment http://www.fcc.gov/ib/sand/irb/weritacrnc/review/nc1985wp7a/01.doc The significant difference from last year seems to be that leap seconds would stop not in 2007 but rather five years after the ITU general assembly approves the change. -- Steve Allen [EMAIL PROTECTED

was it because of Asimov?

leaders. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa Cruz, CA 95064http://www.ucolick.org/~sla/ Hgt

curiouser and curiouser

Do the folks in Roanoke really wonder about leap seconds? http://www.roanoke.com/editorials/wb/wb/xp-34869 Will things get even stranger in the eight and a half days left for comment on the USWP7A proposal? -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick

Mary Baker Eddy joins in

There is now a story in the Christian Science Monitor http://www.csmonitor.com/2005/1013/p15s01-stgn.html Their wireservice is already spreading it elsewhere. -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room

POSIX in the crosshairs?

during which daylight time will be in use. Could it be that the public awareness generated by that will interfere with any further attempts to modify the public perception of time? -- Steve Allen [EMAIL PROTECTED] WGS-84 (GPS) UCO/Lick ObservatoryNatural

Re: US proposal to abolish leap seconds - Not Found

contribution in its archives. It makes sense that the comments really do belong to the USWP7A members and the Department of State, but I can cite a reference which says the rules are that anyone can apply to become a member of USWP7A. -- Steve Allen [EMAIL PROTECTED]WGS

The Truth is Out There

have to keep it in perspective. After all, it's not like the world is going to come to an end. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046

Re: Be thankful for John Flamstead

does not realize how the stories are connected. The relevance between that and the LEAPSECS list becomes evident if you take a really close reading of the following document. http://tycho.usno.navy.mil/ptti/ptti2004/panel.pdf -- Steve Allen [EMAIL PROTECTED]WGS-84

Re: ABC leapsec article

that aside from English it's the German speakers who seem most fascinated by the subject. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046

Google news alerts condemn the ITU

not alone in thinking that one of the first things that WP7A needs to do is to publish ITU-R TF.460 with no access restriction. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University

Re: a system that fails spectacularly

/node1924.asp?intContentID=3197 also reported by Canada http://www.ican.nf.net/R4update.htm also reported by USCG http://www.uscg.mil/hq/g-m/moa/docs/Saab505.pdf http://www.uscg.mil/d14/units/feact/images/safety%20alert.pdf Google is your friend. -- Steve Allen [EMAIL PROTECTED

Re: a system that fails spectacularly

their own quality control processes. Most of those forms came back to the town council stained with beer and chips. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of California

the principals speak

to send them reports of problems with the upcoming leap second. They also deserve to be informed of systems which had no problems. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University

I hope the Onion does even better

Satire! http://www.thespoof.com/news/spoof.cfm?headline=s3i9970 -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014

Re: went pretty dang smoothly at this end

, including the change in the DUT1 clicks, but I can check later. At some point I will be able to put up a .wav file with WWV, WWVB, me, and my kids. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858

NTP behavior in Australia

Here is one indication of NTP response to the presence of low stratum servers which did not behave well. http://members.iinet.net.au/~nathanael/ntpd/leap-second.html -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room

Re: civil time = solar time

over decade timescales. I remain in dismay that said point is moot for embedded devices, for the local civil authorities are more whimsical than the earth with larger amplitude deviations at less predictable intervals. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO

Re: Defining our terms (was Re: [LEAPSECS] Longer leap second notice)

in which the original agreements are to be interpreted. It remains to be seen whether the gentleman's agreements which hold this whole scheme together will tolerate a non-consensual arrangement. Now tell me why you think Leap seconds are so important again. In a word, I offer psychology. -- Steve

Re: The real problem with leap seconds

/~mgk25/time/leap/utc-torino-slides.pdf -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014 Santa Cruz, CA 95064http

Re: The real problem with leap seconds

_process_ does actually work. Agreed, you just have to be prepared to play the Byzantine games. -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046

Re: The opportunity of leap seconds

not. This was fixed with a new release which happened by Friday. (Despite some NTP servers which reportedly still have not acknowledged the leap second, I think the overall indications are that the NTP network did better than 50 %.) The existing IERS system is dysfunctional. -- Steve Allen

Re: The real problem with leap seconds

) which differs from TAI by an integral number of seconds. As an identifiable entity, UTC (unmodified) may only exist within the text of ITU-R TF.460 -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat

Re: interoperability

of the limits at which it becomes much more difficult to agree on time.) -- Steve Allen [EMAIL PROTECTED]WGS-84 (GPS) UCO/Lick ObservatoryNatural Sciences II, Room 165Lat +36.99858 University of CaliforniaVoice: +1 831 459 3046 Lng -122.06014

  1   2   >