[LEAPSECS] comments on DRR TF.460-6

Tony Finch dot at dotat.at
Tue Sep 21 08:26:11 EDT 2010


On Mon, 20 Sep 2010, Robert Seaman wrote:

>

> To say that "leap seconds were devised to keep the UTC time scale in

> close alignment with earth time making UTC useful for celestial

> navigation" is to suggest two unsupported assertions. First that no

> other requirements for "earth time" exist, and second that UTC is

> responsive only to the evolving needs of those who used to have a

> requirement for celestial navigation.


Are there any requirements for mean solar time other than astronomy and
celectial navigation?

Tony.
--
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.


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