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Istituto di Metrologia G. Colonnetti - Torino - Italy
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- PublicationRestrictedIntercomparison of IMGC Absolute and GWR SuperConducting Gravimeters(1995)
; ; ; ; ; ; ; ;Baldi, P.; Dipartimento di Fisica - Università di Bologna - Italy ;Casula, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italia ;Focardi, S.; Dipartimento di Fisica - Università di Bologna - Italy ;Palmonari, F.; Dipartimento di Fisica - Università di Bologna - Italy ;Cerutti, G.; Istituto di Metrologia G. Colonnetti - Torino - Italy ;De Maria, P.; Istituto di Metrologia G. Colonnetti - Torino - Italy ;Marson, I.; DINMA - University of Trieste - Italy; ; ; ; ; ; ; ; ; ;Marson, I.; DINMA . University of Trieste - Italy ;Sunkel, H.; DMGG - University of Graz - Graz - Austria; 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.161 29