eopc04_20u24.1962-now.txt English dataset IERS Earth Orientation Centre services.iers@obspm.fr resourceProvider 2026-03-11 https://hpiers.obspm.fr/iers/eop/eopc04/ EOP 20u24 C04 series for 1964 - now / 0hUTC / dX, dY / IAU2000A EOP 20u24 C04 2026-03-11 creation IERS Earth Orientation Centre services.iers@obspm.fr resourceProvider Combined Earth orientation parameter solution consistent with the International Terrestrial Reference Frame (ITRF) 2020-u2024 Features: 1) Contain daily values of 8 Earth orientation parameters with their formal errors: - Pole coordinates x, y (") - UT1 - UTC (ms) - Celestial pole offsets dX, dY or dPsi, dEps (") - Pole coordinate rates xrt, yrt ("/day) - Length of day offset LOD (s) 2) Download from https://hpiers.obspm.fr/iers/eop/eopc04/ version: eopc04.1962-now : sampled values at 0hUT / dX, dY IAU 2000 completed IERS Earth Orientation Centre services.iers@obspm.fr resourceProvider daily EOP, Long term series, 20u24 C04, IAU 2006/2000A English geoscientificInformation product category: EOP; product subcategory: LONG_TERM; product name: EOPC04_20u24 1962-01-01 2026-02-09 documentation: General information: https://hpiers.obspm.fr/iers/eop/eopc04/readme Information on updates: https://hpiers.obspm.fr/iers/eop/eopc04/updateC04.txt ; data points: 23416; time interval of data: 1 day; accuracy: - Min Max Average Average (last 365 days) sigma_X ["] 0.000031 0.030000 0.006214 0.000048 sigma_Y ["] 0.000029 0.030000 0.006190 0.000047 sigma_x_rate ["] 0.000052 0.014968 0.000294 0.000100 sigma_y_rate ["] 0.000053 0.006008 0.000296 0.000101 sigma_UT1-UTC [s] 0.0000028 0.0040747 0.0005630 0.0000358 sigma_LOD [s] 0.0000062 0.0014310 0.0003260 0.0000146 sigma_dX ["] 0.000011 0.015409 0.001115 0.000426 sigma_dY ["] 0.000006 0.034013 0.000810 0.000439; data descprition: YR, MM, DD, HH, MJD, x("), y("), UT1-UTC(s), dX("), dY("), xrt("), yrt("), LOD(s), x Er, y Er, UT1-UTC Er, dX Er, dY Er, xrt Er, yrt Er, LOD Er; published by: IERS Earth Orientation Centre; Available on http://www.iers.org/products : Dataset-files in .xml, .html and .csv format ASCII unknown IERS Earth Orientation Centre services.iers@obspm.fr resourceProvider https://hpiers.obspm.fr/iers/eop/eopc04/ dataset