Absolute Gravity Measurements in the United States of America.
Final rept. 5 May-4 Jul 80,
ISTITUTO DI METROLOGIA GUSTAVO COLONNETTI TURIN (ITALY)
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The measurements of gravity acceleration described in the report were performed in 1980. The introductory part of the report illustrates the transportable absolute gravimeter and ancillary instrumentation used in measurements, and describes the measurement method applied uncertainty and errors are analysed as well. Measurements of gravity acceleration made in Europe prior to the USA program are also briefly considered before a detailed account is given of the measurements made in the USA. Numerous tables are provided. Six stations were observed in the USA and approximately 100 measurements made per station. The results show an overall uncertainty in g measurements of the order of 10 microgal.