Abstract
Natural noise bands, a persistent feature of the Earth's magnetosphere, have been identified for the first time, using novel techniques on the recently launched Geos I satellite. It is argued that these waves, in the electron cyclotron harmonic mode, are radiated incoherently by suprathermal electrons.
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Christiansen, P., Gough, P., Martelli, G. et al. Geos I : Identification of natural magnetospheric emissions. Nature 272, 682–686 (1978). https://doi.org/10.1038/272682a0
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DOI: https://doi.org/10.1038/272682a0
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