Current results of the Earth orientation parameters prediction comparison campaign

Details Current results of the Earth orientation parameters prediction comparison campaign Current results of the Earth orientation parameters prediction comparison campaign

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jsrs.meet..159k&link_type=abstract

"Proceedings of the "Journées Systèmes de Référence Spatio-temporels 2007". Observatoire de Paris, 17-19 September 2007. Editor:

Computer Science

Performance

2

Scientific paper

The precise transformation between the celestial (ICRF) and terrestrial (ITRF) reference frames is needed for many advanced geodetic and astronomical tasks. To perform this transformation for the time moment of observation the precise EOP predictions have to be known. This paper presents the current status of the Earth Orientation Parameters Prediction Comparison Campaign (EOP PCC), which started in October 2005 under the umbrella of the IERS (International Earth rotation and Reference systems Service). The ultra-short term, short term and medium term EOP predictions submitted since then by different groups were evaluated by means of the same statistical analysis. The mean prediction errors of the EOP with respect to IERS C04 data for each proposed algorithm were computed to show the performance in each prediction category. In October 2006 the EOP PCC rules were slightly changed, however all prediction results before this moment were transformed according to the new conventions.

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