Earth Orientation Center

The Earth Orientation Center is the EOP Product Centre of the International Earth Rotation and Reference Systems Service. It collects time series of Earth Orientation Parameters from astro-geodetic techniques, archives them for FTP and web access, and computes combined solutions including the IERS C04 and C01 series. It also produces DUT1 and leap second announcements.

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0 shouts Added Sep 23, 2026 hpiers.obspm.fr
hpiers.obspm.fr/eop-pc/index.php?index=mission&lang=en
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