Re: [LEAPSECS] the inescapability of feedback

2008-03-31 Thread John E Hein
Steve Allen wrote at 18:56 -0700 on Mar 31, 2008: > On Mon 2008-03-31T08:06:54 -0600, John E Hein hath writ: > > If UTC no longer has leap > > seconds or the computers use Steve's TI or similar > > International Time, Temps International, TI is not my invention. > I was not at the Colloquium

Re: [LEAPSECS] the inescapability of feedback

2008-03-31 Thread Steve Allen
On Mon 2008-03-31T00:55:55 -0700, Rob Seaman hath writ: > It is a neat trick to accuse one party (scientists) with the crime of > the other (politicians). I will stipulate that both the ITU-R and the IAU are guilty of politics, and move on. There is a stark difference in the written record betwee

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Rob Seaman
Clive D.W. Feather wrote: Um, what buttons on the back? My kitchen RC clock has none such (probably because just about all of the UK is in the same time zone). Right. A typical such clock in the U.S. will have one set of radio buttons for Eastern/Central/Mountain/Pacific timezones and a se

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Clive D.W. Feather
Rob Seaman said: > Ease of setting is a great feature. But setting a clock > also involves checking that you set it correctly (selected the right > combination of buttons on the back). Um, what buttons on the back? My kitchen RC clock has none such (probably because just about all of the UK i

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Rob Seaman
Brian Garrett wrote: It surprises me that the Red Cross needs this kind of accuracy to begin with. They don't, of course. What they do have is a requirement for reasonably good relative interval timing and absolute timestamps. As with any COTS solution, the biggest problems may be with

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Brian Garrett
- Original Message - From: "Rob Seaman" <[EMAIL PROTECTED]> To: "Leap Second Discussion List" Sent: Monday, March 31, 2008 10:43 AM Subject: Re: [LEAPSECS] operational time -- What's in a name? Clive D.W. Feather wrote: Tony Finch said: So you think that the millions of existing r

Re: [LEAPSECS] Seems relevant somehow

2008-03-31 Thread Brian Garrett
This expresses my views about DST better than anything ever written: http://www.youtube.com/watch?v=m4AsMTYD4is - Original Message - From: "John Hein" <[EMAIL PROTECTED]> To: "Leap Second Discussion List" Sent: Sunday, March 30, 2008 11:54 PM Subject: Re: [LEAPSECS] Seems relevant so

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Rob Seaman
Clive D.W. Feather wrote: Tony Finch said: So you think that the millions of existing radio controlled clocks and watches should stop showing civil time? They already do. Case in point: When the local Red Cross center relocated a couple of years ago, new RC "atomic" clocks appeared over

Re: [LEAPSECS] the inescapability of feedback

2008-03-31 Thread John E Hein
Rob Seaman wrote at 00:55 -0700 on Mar 31, 2008: > John Hein wrote: > > For those applications that do care about local time, there are > > other forums for discussing this class of problem. It's certainly a > > real issue for some, but is separable from the issues associated > > with l

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Steve Allen
On Mon 2008-03-31T12:20:06 +0100, Tony Finch hath writ: > So you think that the millions of existing radio controlled clocks and > watches should stop showing civil time? Yes, that is, yes to a subsecond precision. They would be showing TI instead of UT, another international standard, and a diff

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Clive D.W. Feather
Tony Finch said: > So you think that the millions of existing radio controlled clocks and > watches should stop showing civil time? They already do. > Tony (wondering why his MSF clock failed to switch to BST). Mine changed fine, though it was a bit moot since the entire family was in Italy unti

Re: [LEAPSECS] operational time -- What's in a name?

2008-03-31 Thread Tony Finch
On Fri, 28 Mar 2008, Steve Allen wrote: > > Part of the beauty of distinguishing broadcast time signals from UTC, > while continuing both, is that it allows separate issues to be > addressed separately. > > I allow that the broadcast time signals should be leap free, for there > are many operationa

[LEAPSECS] the inescapability of feedback

2008-03-31 Thread Rob Seaman
Steve Allen wrote: Someone please tell me again why the zoneinfo files would need 10 years of advance notice if they were to absorb responsibility for leap seconds. Rather the opposite. Nobody would object if the schedule for announcing leapseconds could be extended to 10 years (all else