Re: [LEAPSECS] Precise time over time

From: Poul-Henning Kamp <>
Date: Fri, 12 Aug 2005 14:03:18 +0200

In message <>, Greg Hennessy writes:
>On Fri, 2005-08-12 at 08:44 +0200, Poul-Henning Kamp wrote:
>> In message <>, Greg Hennessy writes:
>> >> Will you support a proposal that keeps leap-second (or -minutes),
>> >> but mandates that they be determined 40 or 50 years in advance ?
>> >
>> >Determined to what accuracy?
>> Whatever the prediction is able to nail it to.
>> I realize that this means that the bounds on |UT1-UTC| increases
>> to about a minute, worst case, but already given todays predictive
>> capabilities, I think it will be possible to keep the difference
>> within a handful of seconds.
>I personally would NOT support such a proposal then.
>I might be willing to support a proposal that calls for broadcast of the
>difference of UT1-UTC as well of a long term determination of leap

I took for granted that the UT1-UTC difference needs to be made
electronically available.

Getting it into GPS almanac would probably be a good idea.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Received on Fri Aug 12 2005 - 05:03:31 PDT

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