[LEAPSECS] Schedule for success

[Richard B. Langley]

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


> And since WGS84 is not rigidly linked to ITRS, doesn't that mean

> that in order to use DUT1 broadcasts to point a telescope (precisely[1])

> you also need to the ITRS/WGS84 difference at your place ?

> 

> Has anybody calculated what the worst case DUT1 difference is in

> the WGS84 datum ?


The current version of WGS84 differs from the current version of ITRF by only a few
centimetres. WGS84 was purposely updated to agree as closely as possibly with ITRF.

===============================================================================
 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/
===============================================================================