A fixed-frequency ionosphere satellite, explorer (Roem.) 20, was developed for the purpose of obtaining pulsed soundings of the topside of the ionosphere. the basic sounder instrumentation comprises a two-frequency transceiver coupled to an electrically short dipole antenna. Three transceivers were used for sounding at six frequences between 1.50 and 7.22 mhz. A two-frequency sounder playload was developed for initial rocket testing to demonstrate the feasibility of topside sounding and to provide design data for both u.S.A. and canadian topside-sounder satellites.


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    Title :

    Development of the fixed-frequency topside-sounder satellite


    Contributors:

    Published in:

    Proceedings of the IEEE ; 57 , 6 ; 876-881


    Publication date :

    1969


    Size :

    6 Seiten, 7 Bilder, 2 Tabellen, 5 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Observations of conjugate ducting by the fixed- frequency topside-sounder satellite.

    Calvert, W. / Loftus, B. T. / Vanzandt, T. E. | NTRS | 1966


    Meteoroid impact on topside sounder satellite

    Mar, J. | Engineering Index Backfile | 1962


    TOPSIDE SOUNDER PROGRAM

    Blumle, L. J. / Fitzenreiter, R. J. / Jackson, J. E. | NTRS | 1963


    Canada's topside sounder

    Gatland, K. | Engineering Index Backfile | 1961


    First Results in NASA Topside Sounder Satellite Program

    Jackson, J. E. / Knecht, R. W. / Russell, S. | NTRS | 1963