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Earth, Planets and Space
Fig. 1. | Earth, Planets and Space

Fig. 1.

From: Swarm SCARF equatorial electric field inversion chain

Fig. 1.

Top: Sample scalar magnetic field residuals after subtracting POMME-6 model (solid); Internal and external spherical harmonic model fitted to mid-latitude data to filter out Sq and other effects (dashed). Bottom: Same profile after subtracting internal/external field model to recover equatorial electrojet signature. These data were recorded by CHAMP during a single orbit on December 12, 2005.

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