This article has an erratum: [https://doi.org/10.1051/swsc/2022013]
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Distribution of electron density, Ne, (top) and RODI (bottom) measured by Swarm C (left) and Swarm B (right) in the Northern hemisphere during high solar activity. The red color shows the distribution in the low latitude region, green in the mid-latitude, blue in the high latitude (auroral oval), and purple in the polar cap regions.
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