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International Earth Rotation and Reference Systems Service

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Organization

The IERS was established in 1987 by the International Astronomical
Union and the International Union of Geodesy and Geophysics.
According to the Terms of Reference, the IERS accomplishes its
mission through the following components: Technique Centres, Product
Centres, Combination Centres, Analysis Coordinator, Central Bureau,
Directing Board.

More: Organization ...

Data / Products / Tools

The IERS provides data on Earth orientation, on the International
Celestial Reference System/Frame, on the International Terrestrial
Reference System/Frame, and on geophysical fluids. It maintains also
Conventions containing models, constants and standards.

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Publications

The IERS issues Messages to distribute news, Bulletins to provide
Earth orientation data, Technical Notes to publish research results
and proceedings of workshops, and Annual Reports to inform the public
about its work.

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Science background

Information about Earth rotation, reference frames, and observation
techniques in general - Glossary - References - List of acronyms.

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Links

Links to Earth rotation and IERS - Geodesy and other geosciences -
Astronomy - Space research - Mathematics - Physics - Books and papers
- Computers and informatics - Link lists and search engines.

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News and meetings

View news ordered by date or with respect to publications or general
topics of the IERS. Calendars of meetings related to the work of IERS
and of IERS Workshops are available.

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Zusatzinformationen

News

    IERS Bulletin B (monthly EOP data) - latest issue IERS Bulletin A
    (rapid EOP data and predictions) - latest issue RESTful web
    services added IERS Message No. 489: DTRF2020 release update to
    Version v2

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Meetings

    17th Meeting of the International Committee on Global Navigation
    Satellite Systems (ICG-17) 2023 GRACE-FO Science Team Meeting
    2023 Virtual International Workshop on Laser Ranging

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