EXOSAT is a satellite for scientific observations, it is equipped with instrumente for measuring x-ray radiation in space. The instruments will be aligned by orientating the whole satellite towards the x-ray source concerned. An omnidirectional antenna system is therefore essential for communication with earth. The antenna system for EXOSAT has been developed and manufactured by LM Ericsson. The system consists of two antennas, each of which radiates over more than half a sphere. The antenna elements are cone-shaped spirals. Each antenna consists of four spirals with associated feeding device. In this article the design of the antenna elements and the optimizing of their position on the satellite are described, as well as the extensive measurements of performance that have been carried out using LM Ericcson's new automatic antenna measurement equipment.


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    Titel :

    Antenna system for the EXOSAT satellite


    Weitere Titelangaben:

    Antennensystem fuer den Satelliten EXOSAT


    Beteiligte:
    Karlsson, E.R. (Autor:in)

    Erschienen in:

    Ericsson Review ; 57 , 4 ; 156-159


    Erscheinungsdatum :

    1980


    Format / Umfang :

    4 Seiten, 8 Bilder


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





    Astronomy with EXOSAT

    White, N.E. | Elsevier | 1989


    The EXOSAT database system : available databases

    European Space Agency | TIBKAT | 1991


    EXOSAT x-ray imaging optics

    Korte, P.A.J. de / Giralt, R. / Coste, J.N. et al. | Tema Archiv | 1981


    Data handling on board EXOSAT

    Di Cecca, A. / Gamberale, R. | Tema Archiv | 1978