Abstract Six north to south passes of the AUREOL 3 satellite through the equatorial electron density depletion at variable altitudes between 400 and 550 km, at night, during a two weeks period, exhibit similar features in plasma density irregularities which are thought to be associated with the spread F phenomenon. The irregularities are found to be quasi-monochromatic with a scale size of about 2 km along the satellite trajectory and occur only on the Northern edge of the equatorial electron density depletion. This implies a violation of the generally believed principle of conjugate mapping for those wavelengths. These observations are analysed and discussed in terms of different known generation mechanisms.


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    Title :

    North-south asymmetry in quasi-monochromatic plasma density irregularities observed in night-time equatorial F-region


    Contributors:
    Béghin, C. (author) / Pandey, R. (author) / Roux, D. (author)

    Published in:

    Publication date :

    1985-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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