Future manned spaceflight programs may require continuous real-time communications between the spacecraft and the mission control center. This paper examines the feasibilities of relay satellite systems to meet these requirements. Anticipated requirements range from voice and low-speed data to television. Frequencies in s, c, x, and k bands are considered. Terrestrial radio-relay links may cause interference in the mission spacecraft and the relay satellite and vice versa. Possible remedies include better control of antenna sidelobes and judicious choice of channel frequencies


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    Title :

    Satellite communications for manned spacecraft


    Contributors:
    Durrani, S.H. (author) / Lipke, D.W. (author)

    Published in:

    Proceedings of the IEEE ; 59 , 2 ; 128-139


    Publication date :

    1971


    Size :

    12 Seiten, 8 Bilder, 11 Tabellen, 12 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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