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We compared the small quantitative changes (range) in G over repeated measures (days) with recently improved methods of determinations and those recorded over 20 years ago. The range in the Newtonian constant of gravitation G is usually in the order of 400 ppm as reflected in experimentally-determined values. The moderate strength negative correlation between daily fluctuations in G, in the range of 3 × 10 −3 of the average value, and an index of global geomagnetic activity reported bydoi:10.4236/ijg.2014.54042 fatcat:4fpymnd2xnehbmchgfh5unzspa