Abstract
Morphological studies of e.l.f./v.l.f. emissions on the Ariel III and IV satellites indicate that man-made electromagnetic emissions, namely power-line harmonics generated in the industrialised regions of North America and, also, v.l.f. transmissions at 17.8 kHz (NAA) and 16.0 kHz (GBR) in the longitude sector which encompasses the South Atlantic Anomaly, are responsible, at least in part, for the formation of the electron slot (2<L<3) between the inner and outer radiation belts in the magnetosphere.
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Bullough, K., Tatnall, A. & Denby, M. Man-made e.l.f./v.l.f. emissions and the radiation belts. Nature 260, 401–403 (1976). https://doi.org/10.1038/260401a0
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DOI: https://doi.org/10.1038/260401a0
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