[LEAPSECS] Metrologia on time

[Rob Seaman]

PHK and I are on the same page with this.  By all means announce leap seconds with significantly more notice.  - Rob
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On Aug 2, 2011, at 10:39 AM, Poul-Henning Kamp wrote:


> ...

> I find it much more intesting that Bernard Guinot goes on the record

> on page 183:

> 

> 	They are not theoretically predictable, but smooth enough

> 	for an empirical prediction to less than ±1 s over 3 years

> 

> and:

> 	Tests on real data from 1955 to the present, made by the

> 	author, have shown that a linear prediction based on one

> 	year of values of UT1 - TAI led to a maximum error less

> 	than 0.6 s in two years after the last observed values.

> 	After three years, the maximum was 1.0 s.

> 

> So giving us 3 years notice of leap seconds instead of six months

> should be a total no-brainer.