AbstractA polar cap absorption took place on 12 August 1989 during a D-region experiment by the EISCAT UHF radar, having been first detected by the GOES-7 satellite. It is possible, with certain assumptions, to invert the electron density profiles determined by EISCAT and estimate the particle flux as a function of energy — i.e. the proton energy spectrum, at the top of the atmosphere. The EISCAT data is examined in this way; in later work the results will be compared with the satellite-measured proton fluxes.


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    Title :

    Incoherent scatter radar observations of the middle atmosphere response to a PCA


    Contributors:
    Hall, C. (author) / Brekke, A. (author) / van Eyken, A.P. (author) / Hoppe, U.-P. (author) / Thrane, E.V. (author)

    Published in:

    Advances in Space Research ; 12 , 10 ; 289-294


    Publication date :

    1992-01-01


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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