Fig. 4.From: An algorithm for deriving core magnetic field models from the Swarm data setThe first component of the XYZ (or equivalently α, β, γ ) Euler rotation angles calculated for CHAMP data for 2001 to 2004 (left part) and late period 2008 and 2009 (right part). Upper frames: Estimates from other modelers, see text. Lower frames: GRIMM/DCO results for various constant Euler angles segment length.Back to article page