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Authors: Baldi, P.* 
Casula, G.* 
Focardi, S.* 
Palmonari, F.* 
Cerutti, G.* 
De Maria, P.* 
Marson, I.* 
Editors: Marson, I. 
Sunkel, H. 
Title: Intercomparison of IMGC Absolute and GWR SuperConducting Gravimeters
Issue Date: 1995
ISBN: 3-540-59204-0
Keywords: Gravity
Earth Tides
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.02. Gravity methods 
Abstract: In May 1994 a first comparison campaign between a superconducting and the IMGC absolute gravimeter has been performed in Brasimone, near Bologna in Italy. The superconducting gravimeter was previously calibrated by means of a moving ring, the mass of which has been measured with the highest accuracy allowed by the actual technology. During the three days of observation with the absolute gravity meter, a maximum, a complete semidiurnal curve and a minimum of the tidal effect has been observed. These data have been used to compute the calibration factor of the superconducting gravity meter; it agrees in a rather satisfactory way with the results of the calibration with the moving mass.
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