UCL Magnetodisc Model for Jupiter and Saturn. The data consists of the magnetic field in JMAG spherical coordinates. For details and further references, see: Achilleos N. A., Guio, P. and Arridge, C. S., 2010, A model of force balance in Saturn's magnetodisc, MNRAS, 401, 2349-2371 [2010MNRAS.401.2349A]
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