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Authors: Casula, G.* 
Baldi, P.* 
Hinderer, J.* 
Amalvict, M.* 
Title: The Gravimetric Station of Brasimone: results of an intercomparison experiment between gravimeters
Issue Date: 2000
Series/Report no.: /17 (2000)
Keywords: Gravity
gravity field
superconducting gravimeters
Subject Classification04. Solid Earth::04.03. Geodesy::04.03.05. Gravity variations 
Abstract: The GWR Superconducting Gravimeter (T015) is working continuously in a laboratory of the Research Center of ENEA (Italian National Institute for Energy Development)since 1995 in the frame of Global Geodynamics Project. The data are periodically send to the ICET to be analysed and to produce a valuable tool of high precision monitoring of the global gravity field. The superconducting gravimeter is periodically calibrated by means of a moving mass system with a precision better than 0.3%. In October 1997 a campaign involving the FG5-206 of the Institut de Physique du Globe of Strasbourg was performed in order to verify and to improve the calibration constant of the superconducting gravimeter (SC). The SC calibration constant was computed with the help of absolute gravity and with the mass system. In spite of the large amount of seismic noise present in the data, a good agreement between the two methods, at the 0.1% level, was obtained, improving the calibration factor of the SC gravimeter by a factor of three.
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