On Sun, 28 Dec 2008, Poul-Henning Kamp wrote: > > In contrast to this, nobody, including you, seem to be willing to > even hazard a guess what level of presision is required or sufficient > for the "earth orientation clock".
Well we obviously need to know earth orientation to quite high precision in order for satellite navigation to work, which implies that we know UT0 to fairly high precision - the surface rotates about 1m every 2ms. However I doubt we need this information for setting our clocks. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ ROCKALL MALIN: SOUTHEASTERLY 4 OR 5, INCREASING 5 OR 6, OCCASIONALLY 7 IN ROCKALL. SLIGHT OR MODERATE, OCCASIONALLY ROUGH IN SOUTH ROCKALL. RAIN OR SHOWERS. MODERATE OR GOOD. _______________________________________________ LEAPSECS mailing list LEAPSECS@leapsecond.com http://six.pairlist.net/mailman/listinfo/leapsecs
