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IAG JWG 2.1 Relativistic Geodesy: First steps towards a new geodetic technique

The International Association of Geodesy (IAG) Joint Working Group (JWG) 2.1 has been established in 2016 to bring together experts from geodesy and time/frequency metrology to review and develop concepts and ideas on relativistic geodesy. The group activities are triggered by the recent fundamental progress both in atomic clocks and in long-distance frequency transfer.

On this website, the group shares information on its activities and related topics.

Contact: Jakob Flury (chair), Gerard Petit (co-chair)


First Meeting, 15-16 May 2017, Leibniz Universität Hannover

Program and presentations

Terms of Reference

Terms of Reference (TOR) as pdf


Jakob FluryLeibniz Universität Hannover, Germany (chair)
Gerard PetitBIPM, France (co-chair)
Claude BoucherBureau des Longitudes, France
Jürgen MüllerLeibniz Universität Hannover, Germany
Christian LisdatPTB, Germany
Piet SchmidtPTB, Germany
Gesine GroschePTB,Germany
Claus LämmerzahlZARM, Germany
Pacome DelvaObservatoire de Paris, France
Paul-Eric PottieObservatoire de Paris, France
Marie-Francoise LalancetteObservatoire de Paris, France
Pieter VisserTU Delft, The Netherlands
Nikos PavlisNational Geospatial-Intelligence Agency, US
Bijunath PatlaNIST, US
Pascale DefraigneRoyal Observatory, Belgium
Geoffrey BlewittUniversity of Nevada, US
Pavel NovakUniversity of West Bohemia, Czech Republic
Sergei KopeikinUniversity of Missouri, US
Davide CalonicoINRIM, Italy
Chris HughesNational Oceanography Centre, UK
Elena MazurovaMoscow State Univ. of Geodesy and Cartography, Russia