NASA policy toward commercial space ventures is summarized and illustrated with a proposed system for mobile communications through satellite links (MSAT). The government's, i.e., NASA's, role in commercial space ventures is to provide funding and expertise to high risk projects with prospective large returns, provided no vital public services are displaced. MSAT would be realized with a relay spacecraft in GEO, linking mobile radios costing in the range $500-2500. The experimental ATS-6 satellite would be the first generation relay. It is estimated that by the 1990s a spacecraft with a 20-55 m antenna could provide transmission relays for between 640,000 to about 2.5 million nonurban communications units.


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    Titel :

    Commercial space policy - Theory and practice


    Beteiligte:

    Erscheinungsdatum :

    01.01.1986


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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