wikipedia Leap Seconds collaboration

2006-01-23 Thread Neal McBurnett
Rob Seaman wrote: I hope we can all continue this discussion in a more positive manner. It is the nature of email lists to be good at stimulating discussion, and bad at generating clear resolutions. Thus was the FAQ born. But we have a more modern technology than FAQs, the wiki, which can

Re: Approach to leap second discussion

2006-01-23 Thread Francois Meyer
On Sun, 22 Jan 2006, Rob Seaman wrote: I hope we can all continue this discussion in a more positive manner. I'm of the opinion that messages on this list (no matter how tricky :-) are always positive. I personnally have 1 or 2 counter examples, but mailling lists have for long greatly

Re: Risks of change to UTC

2006-01-23 Thread David Malone
Professional and amateur astronomers are not the only ones who need good estimates of UT1. I've been wondering about this for a bit. Do astronomers and navigators actually want UT1 or do they want GMST? Since UT1 is based on a mean sun, which I guess no one actually observs, it would seem that

Re: Risks of change to UTC

2006-01-23 Thread Clive D.W. Feather
M. Warner Losh said: 1500 years ago, no one spoke English. Chances are the people that deal with this problem in 1000 or 2000 years won't speak any language recognizable to anybody alive today. Why not? Greek and Latin, to name two, were spoken that long ago and are recognisable today. And

Re: the tail wags the dog

2006-01-23 Thread Clive D.W. Feather
Steve Allen said: The official time of the US for commerce and legal purposes is UTC(NIST). The official time of the US DOD is UTC(USNO). The official time of the Federal Republic of Germany is UTC(PTB). etc. The official time of the UK is GMT. -- Clive D.W. Feather | Work: [EMAIL

Re: Risks of change to UTC

2006-01-23 Thread Steve Allen
On Mon 2006-01-23T11:08:29 +, David Malone hath writ: As far as I can see from my 1992 edition of the Explanatory Supplement to the Astronomical Almanac, UT1 and GMST were (defined?) the relationship seems to have been changed to ones documented in (Capitaine et al., 2000, Capitaine et

Re: the tail wags the dog

2006-01-23 Thread Steve Allen
On Mon 2006-01-23T14:02:01 +, Clive D.W. Feather hath writ: Steve Allen said: The official time of the US for commerce and legal purposes is UTC(NIST). The official time of the US DOD is UTC(USNO). The official time of the UK is GMT. Please distinguish between official and legal. The

Re: Risks of change to UTC

2006-01-23 Thread John Cowan
Clive D.W. Feather scripsit: Why not? Greek and Latin, to name two, were spoken that long ago and are recognisable today. Indeed, and they passed through a far tighter bottleneck than anything likely today. Not even the most diligently destructive barbarian can extirpate the

Re: wikipedia Leap Seconds collaboration

2006-01-23 Thread M. Warner Losh
In message: [EMAIL PROTECTED] Neal McBurnett [EMAIL PROTECTED] writes: : Rob Seaman wrote: : I hope we can all continue this discussion in a more positive manner. : : It is the nature of email lists to be good at stimulating discussion, : and bad at generating clear resolutions.

Re: wikipedia Leap Seconds collaboration

2006-01-23 Thread Tim Shepard
Be careful. The goals of the folk on this mailing list and the goals of the wikipedia project are probably not aligned. http://en.wikipedia.org/wiki/Wikipedia:What_Wikipedia_is_not In particular, note the section Wikipedia is not a publisher of original thought. It is certainly possible for

Re: the tail wags the dog

2006-01-23 Thread M. Warner Losh
In message: [EMAIL PROTECTED] Steve Allen [EMAIL PROTECTED] writes: : The legal time of the US is (in many more words) GMT. : The officials who are charged by congress with the task of providing : time provide UTC. The legal time in the US is the mean solar time at a given meridian,

Re: wikipedia Leap Seconds collaboration

2006-01-23 Thread Neal McBurnett
On Mon, Jan 23, 2006 at 11:20:45AM -0500, Tim Shepard wrote: Be careful. The goals of the folk on this mailing list and the goals of the wikipedia project are probably not aligned. http://en.wikipedia.org/wiki/Wikipedia:What_Wikipedia_is_not In particular, note the section Wikipedia is

Re: the tail wags the dog

2006-01-23 Thread Rob Seaman
On Jan 23, 2006, at 9:33 AM, M. Warner Losh wrote: The legal time in the US is the mean solar time at a given meridian, as determined by the secretary of commerce ...and many may have seen Mr. Gutierrez shooting the sun with his sextant out on the Mall in front of the AS Museum :-) With all

Re: the tail wags the dog

2006-01-23 Thread Steve Allen
On Mon 2006-01-23T09:33:10 -0700, M. Warner Losh hath writ: (the term mean solar time isn't legally defined, but does have an accepted scientific meaning). Would that it were so, but I don't believe it because I've read the proceedings of the IAU general assemblies and related papers. I've

Re: the tail wags the dog

2006-01-23 Thread John Cowan
Rob Seaman scripsit: The legal time in the US is the mean solar time at a given meridian, as determined by the secretary of commerce ...and many may have seen Mr. Gutierrez shooting the sun with his sextant out on the Mall in front of the AS Museum :-) With all the words that have flowed

Re: the tail wags the dog

2006-01-23 Thread Peter Bunclark
On Mon, 23 Jan 2006, John Cowan wrote: Rob Seaman scripsit: that it can be reliably recovered from observations whenever and wherever needed (once you are located with respect to a meridian, of course). I don't understand this. You can't shoot the mean sun with a sextant, only the