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History of the IERS, 1988 to 2003

  • 1987: International Earth Rotation Service (IERS) founded by the International Astronomical Union and the International Union of Geodesy and Geophysics, to replace the IPMS and the Earth Rotation Section of the BIH. In difference to the IPMS, IERS included also a responsibility for celestial and terrestrial reference systems. Activities of BIH on time are continued at the Bureau International des Poids et Mesures (BIPM).
  • 1988, Jan. 1: IERS began operation with the following components: Central Bureau with Terrestrial Frame Section, Earth Orientation Section, Celestial Frame Section, and Rapid Service Sub-bureau (later: Sub-bureau for Rapid Service and Predictions), as well as VLBI, LLR, and SLR Coordinating Centres
  • 1989, March: Sub-bureau for Atmospheric Angular Momentum established
  • 1990, Jan. 1: GPS Coordinating Centre established
  • 1994, Oct. 1: DORIS Coordinating Centre established
  • 1998, Jan. 1: GGF [1998: MGGF] Coordinating Centre established, replacing the Sub-bureau for Atmospheric Angular Momentum
  • 2001, Jan. 1: new structure of IERS
  • 2003: IERS renamed to International Earth Rotation and Reference Systems Service

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