Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Paul Hirose
On 2015-03-06 11:04, Brooks Harris wrote: The rubber-band era is just entirely irrelevant. Its historically interesting, and may be required for some special application concerning that period, but for practical UTC-like timekeeping its just an historical curiosity. This fact is somewhat more

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Harlan Stenn
Paul, Paul Hirose writes: I distribute a Windows astronomical toolbox DLL which includes time scale conversions. Since astronomy often requires analysis of old data, the DLL can deal with pre-1972 UTC. I won't get into the dispute over whether or not that's bona fide UTC! However, the IERS

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Steve Allen
On Sat 2015-03-07T02:02:12 +, Harlan Stenn hath writ: When we get a bit more down the road with NTF's General Timestamp API, I'd appreciate your taking a look at what we're doing and helping out in any way you are up for. One of the issues that will need more attention is pre-1972 stuff.

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Brooks Harris
Hi Zefram, Your focus on epochs is unhealthy. I don't claim to be any more healthy than the many other folks I've had these discussions with, most of whom are *obsessed* with, and *insistent upon*, specifying a known *immovable* epoch. I think I could characterize your focus on using

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Steve Allen
On Fri 2015-03-06T21:37:42 -0700, Warner Losh hath writ: So it isn't outside the realm of possibilities that you'd have people making measurements from the late 60's till 1972 using UTC (and yes, it did exist in a practical form before 1972, just not in the current form and the common usage

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Warner Losh
On Mar 6, 2015, at 7:57 PM, Steve Allen s...@ucolick.org wrote: On Sat 2015-03-07T02:02:12 +, Harlan Stenn hath writ: When we get a bit more down the road with NTF's General Timestamp API, I'd appreciate your taking a look at what we're doing and helping out in any way you are up for.

Re: [LEAPSECS] My FOSDEM slides

2015-03-06 Thread Warner Losh
On Mar 6, 2015, at 9:57 PM, Steve Allen s...@ucolick.org wrote: On Fri 2015-03-06T21:37:42 -0700, Warner Losh hath writ: So it isn't outside the realm of possibilities that you'd have people making measurements from the late 60's till 1972 using UTC (and yes, it did exist in a practical