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Geos I : Identification of natural magnetospheric emissions

Naturevolume 272pages682686 (1978) | Download Citation



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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  1. Plasma and Space Physics Group, School of Mathematical and Physical Sciences, University of Sussex, Falmer, Brighton, Sussex, UK

    • P. Christiansen
    • , P. Gough
    •  & G. Martelli
  2. Centre de Recherches en Physique de 1'Environnment Terrestre et Planetaire, CNET, Issy-les-Moulineaux, France

    • J-J. Bloch
    • , N. Cornilleau
    • , J. Etcheto
    •  & R. Gendrin
  3. Space Science Department, European Space Agency, ESTEC, Noordwijk, The Netherlands

    • D. Jones
  4. Centre de Recherches en Physique de I'Environnment Terrestre et Planetaire, CNRS, Orleans-la-Source, France

    • C. Béghin
    •  & P. Décréau


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