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IERS Analysis Coordination

  • Markus Rothacher
  • Robert Dill
  • Daniela Thaller

Summary

Until today the products of the International Earth Rotation and Reference Systems Service (IERS), like International Terrestrial Reference Frame (ITRF), International Celestial Reference Frame (ICRF) and Earth Orientation Parameters (EOP), are combined independently, neither intra-technique nor inter-technique combinations, including the full variance-covariance information are performed. To overcome this deficiencies in the present IERS product generation the IERS implemented a new structure in January 2001. This includes the new IERS Combination Research Centres (CRC) and the IERS Analysis Coordinator (AC). He is responsible for the long-term and internal consistency of the IERS products. To achieve the highest accuracy and consistency, it is crucial to proceed towards a fully rigorous combination of all the parameters common to more than one space geodetic technique. Since 2001 the IERS AC initiated and coordinated many different projects and campaigns towards this overall goal. Now the results of the last three years build the theoretical and practical base for the latest project, the Combination Pilot Project (CPP). This project will prepare the generation of a combined IERS product on a routine basis.

Key words

International Earth Rotation and Reference Systems Service IERS Analysis Coordination EOP Alignment Campaign SINEX Combination Campaign Combination Pilot Project 

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References

  1. Dick W., B. Richter (2004) IERS Annual Report 2003. Verlag des Bundesamts für Kartographie und Geodäsie, Frankfurt am Main.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Markus Rothacher
    • 1
  • Robert Dill
    • 1
  • Daniela Thaller
    • 1
  1. 1.Forschungseinrichtung SatellitengeodäsieTechnische Universität MünchenGermany

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