[LEAPSECS] a modest proposal

Tony Finch dot at dotat.at
Tue Feb 12 10:55:25 EST 2008


On Mon, 11 Feb 2008, Paul J. Ste. Marie wrote:

> Steve Allen wrote:

> > ... (BIPM has

> > already indicated openly that if UTC were to abandon leaps they might

> > consider abandoning TAI) ...

>

> I thought TAI/TDT/TDB had all been superseded by some later standard. Was it

> just the TDx's that were replaced?


TT replaced TDT. It's used as a benchmark to check the uniformity of the
realization of TAI. TDB is a separate timescale decoupled from the Earth.

Tony.
--
f.a.n.finch <dot at dotat.at> http://dotat.at/
SOUTHEAST ICELAND: WESTERLY 5 TO 7 BECOMING VARIABLE 3 OR 4 THEN EASTERLY 6 OR
7, PERHAPS GALE 8 LATER. ROUGH OR VERY ROUGH . RAIN LATER. MODERATE OR GOOD.


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