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Radio Emission from Auroral Electrons

Nature volume 221, pages 350–352 (1969)Cite this article

Abstract

IN recent years a number of rocket and satellite observations have been made of intense radio noise in the topside ionosphere (refs. 1–5, 12, 15 and personal communication from D. Walsh). The noise occurs in frequency bands in the neighbourhood of the plasma and gyro frequency. Data received from the British satellite Ariel III show that some of the noise bands occur only when the satellite is within the range of invariant latitude which corresponds to the auroral zones. Until recently very little has been known about how noise bands are generated. Our results show that the noise bands observed by Ariel III are probably generated by Cerenkov radiation from auroral electrons with energies of a few keV.

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Authors and Affiliations

  1. University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Cheshire

    P. C. GREGORY

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  1. P. C. GREGORY
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GREGORY, P. Radio Emission from Auroral Electrons. Nature 221, 350–352 (1969). https://doi.org/10.1038/221350a0

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