Relative Gravity Measurement Campaign during the 7th ICAG (2005)

doi:10.1088/0026-1394/46/3/008

Relative Gravity Measurement Campaign during the 7th International Comparison of Absolute Gravimeters (2005)

Z Jiang et al 2009 Metrologia 46 214-226 doi: 10.1088/0026-1394/46/3/008

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Z Jiang¹, M Becker², O Francis³, A Germak⁴, V Palinkas⁵, P Jousset⁶, J Kostelecky⁵, F Dupont⁶, C W Lee⁷, C L Tsai⁷, R Falk⁸, H Wilmes⁸, A Kopaev⁹, D Ruess¹⁰, M C Ullrich¹⁰, B Meurers¹¹, J Mrlina¹², S Deroussi¹³, L Métivier^13,17, G Pajot^6,13, F Pereira Dos Santos¹⁴, M van Ruymbeke¹⁵, S Naslin¹⁵ and M Ferry¹⁶
¹ Bureau International des Poids et Mesures (BIPM), Pavillon de Breteuil, F-92312, Sèvres Cedex, France
² Institute of Physical Geodesy, Darmstadt University of Technology (IPGD), Darmstadt, Germany
³ Faculty of Sciences, Technology and Communication, University of Luxembourg (UL), Luxembourg
⁴ Istituto Nazionale di Ricerca Metrologica (INRIM) (formerly Istituto di Metrologia 'G Colonnetti' (IMGC)), Torino, Italy
⁵ Research Institute of Geodesy, Topography and Cartography, Geodetic Observatory Pecny (GOP), Ondrejov, Czech Republic
⁶ Bureau de Recherches Géologiques et Minières (BRGM), Orléans, France
⁷ Industrial Technology Research Institute (CMS/ITRI), Hsinchu, Taiwan
⁸ Federal Agency for Cartography and Geodesy (BKG), Frankfurt am Main, Germany
⁹ Sternberg Astronomical Institute of Moscow State University, Moscow, Russian Federation
¹⁰ Federal Office of Metrology and Surveying (BEV), Wien, Austria
¹¹ Institute of Meteorology and Geophysics (IMG), University of Vienna, Wien, Austria
¹² Institute of Geophysics ASCR (GI), Prague, Czech Republic
¹³ Institut de Physique du Globe de Paris (IPGP), Paris, France
¹⁴ Système de Référence Temps Espace (LNE-SYRTE), Observatoire de Paris, LNE, Paris, France
¹⁵ Royal Observatory of Belgium (ROB), Bruxelles, Belgium
¹⁶ Universidade de Évora (UE), Évora, Portugal
¹⁷ Laboratiore de Recherche en Géodésie (LAREG), Institut Géographique National (IGN), Marne-la-Vallée Cedex, France
E-mail: zjiang@bipm.org

Abstract. Since the 1st International Comparison of Absolute Gravimeters (ICAG) and accompanying Relative Gravity Campaign (RGC) held at the BIPM in 1981, repeated ICAG-RGCs have been organized every four years. A total of 19 absolute gravimeters (AG) and 15 relative gravimeters (RG) participated in the 7th ICAG-RGC, which took place in 2005. Co-located absolute and relative gravity measurements as well as precision levelling measurements were carried out.

The final version of the absolute g values of the 7th ICAG has been officially released recently. This paper is the final report of the 7th RGC and replaces the preliminary results published earlier. It covers the organization of the RGC and the data processing, analyses RG behaviour, computes g, δg and O_AG (offset of AG) and discusses their uncertainties. In preparation for the BIPM key comparison ICAG-2009, a standard data-processing procedure has been developed and installed in the BIPM ICAG-RGC software package, GraviSoft. This was used for the final data processing.

Print publication: Issue 3 (June 2009)
Received 28 October 2008, in final form 23 January 2009
Published 24 March 2009

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Relative Gravity Measurement Campaign during the 7th International Comparison of Absolute Gravimeters (2005)

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