This dataset contains predictions of Earth orientation parameters (EOP) submitted during the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC). The 2nd EOP PCC has been
Context and methodology Global reference frame solution from Very Long Baseline Interferometry based on IVS data at S/X-band and VGOS Celestial Reference Frame: Source positions are in the J2000 fram
[from the Explanatory Supplement to IERS Bulletins A and B, "http://hpiers.obspm.fr/eop-pc/products/bulletins/explanatory.html"] IERS Bulletins A and B provide current information on the Earth's o
ITRF2020-u2024 is the second ITRF020 update, generated by adding four years (2021.0 – 2025.0) of data after the end of the ITRF2020 input data. The four Technique Centers (IDS, IGS, ILRS, IVS) who pro
The precession-nutation transformation describes the changing directions on the celestial sphere of the Earth's pole and an adopted origin of right ascension. The coordinate...