Re: how to reset a clock

2007-01-04 Thread John Cowan
Rob Seaman scripsit: > And, of course, a ship would not carry a single clock, but two or > more. Friendly ships meeting at sea would also exchange clock > readings - creating the first ensemble time scale. (Some things > never change.) English passenger at Irish railway station, pointing to the

Re: how to reset a clock

2007-01-04 Thread Rob Seaman
Peter Bunclark wrote: Indeed isn't this Rob's ship's chronometer? Actually, I think it was Mr. Harrison's. (And Steve Allen has been basing his arguments more recently on this distinction.) This healthy debate between astronomical time and clock time has happened before. The answer is the s

Re: how to reset a clock

2007-01-04 Thread Daniel R. Tobias
On 4 Jan 2007 at 10:53, Peter Bunclark wrote: > Indeed isn't this Rob's ship's chronometer? Captain's log, stardate 30620.1... http://en.wikipedia.org/wiki/Stardate -- == Dan == Dan's Mail Format Site: http://mailformat.dan.info/ Dan's Web Tips: http://webtips.dan.info/ Dan's Domain Site: http

Re: how to reset a clock

2007-01-04 Thread Peter Bunclark
On Thu, 4 Jan 2007, Tony Finch wrote: > On Thu, 4 Jan 2007, Zefram wrote: > > > The solution is to just let the clock run, never adjust it, and treat > > it as an independent seconds count. You don't care about it showing > > the wrong time, because you don't treat its output as an absolute time.

Re: how to reset a clock

2007-01-04 Thread Tony Finch
On Thu, 4 Jan 2007, Zefram wrote: > > Interval clock and real-time clock remain conceptually distinct. If you > have a single clock counter alongside a variable epoch, the sum of the > two is the effective real-time clock. I don't think you're gaining > anything by not reifying it. I'm gaining s

Re: Introduction of long term scheduling

2007-01-04 Thread Michael Deckers
On 2007-01-03, Poul-Henning Kamp commented on Bulletin D 94: > That's an interesting piece of data in our endless discussions about > how important DUT1 really is... So it appears that DUT1, an approximation of UT1 - UTC, is not of much use, even though it is disseminated with many tim