An overall information system which permits users on the Earth, equipped with relatively small satellite user terminals to obtain data or telescience services from low Earth orbit satellites by relay through geostationary DRS satellites, based upon their own, prior user requests, is discussed. User requirements, architectural solutions, and a comparative cost analysis of this dispersed system versus a centralized one are considered. Specifications for subsystems are drawn up, and recommendations for the choice of architecture are made. Such a dispersed system is feasible, both for observation, microgravity missions, and interactive telescience operations, and the concept of prior user requests can relieve ESA central authorities of considerable tasks for archiving, storing, and retrieval of space data.


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    Titel :

    Direct Dissemination of Data from ESA's (European Space Agency's) Future In-Orbit Infrastructure


    Beteiligte:
    S. Maudal (Autor:in) / B. Rognes (Autor:in) / E. Vefsnmo (Autor:in) / L. Rorhlt (Autor:in) / A. Sandvik (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    268 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch