Fig. 3.From: Earth magnetic field modeling from Oersted and Champ dataExamples of Gauss coefficients computed as described in the main text. Crosses correspond to estimates obtained with no selection of measurements in the function of magnetic activity, dots to a m ≤ 20. (a) g 11 (b) h 23 , (c) h 33 , (d) g 24 .Back to article page