[LEAPSECS] Schedule for success

Richard B. Langley lang at unb.ca
Wed Dec 31 10:00:20 EST 2008

Quoting Poul-Henning Kamp <phk at phk.freebsd.dk>:

> In message <1230733996.495b82acce1c9 at webmail.unb.ca>, "Richard B. Langley" writ

> es:


> >iii) The introduction of the satellite Doppler technique (Transit) to help in

> >establishing the BIH meridian; the Doppler datum turned out to have a different

> >longitude origin.

> >iv) Misalignment of the series of WGS reference meridians with that of BIH.


> So which datum is used for the zero meridian, which defines the UT* family

> of timescales ?

This might also be relevant:

Richard B. Langley E-mail: lang at unb.ca
Geodetic Research Laboratory Web: http://www.unb.ca/GGE/
Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142
University of New Brunswick Fax: +1 506 453-4943
Fredericton, N.B., Canada E3B 5A3
Fredericton? Where's that? See: http://www.city.fredericton.nb.ca/

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