Only navigation satellite seems to promise truly universal system for precision long-range navigation; newest "NAVSAT" technique for measuring position of vehicle in geodetic coordinates is phase-differencing, developed by RCA; 10-kc tone modulated on continuous wave 2 Gc carrier is transmitted from control center via satellites to ship or aircraft at point on earth; signals are transponded back to control center via satellites for out-of-phase computation; operational method is described; analysis diagram of RCA phase-differencing NAVSAT for air traffic control mode shows values for critical link parameters; 2-Gc carrier and phase-difference mensuration permits use of small satellite antenna and low-power satellite and aircraft transmitters with 10-lb signal-over-noise advantage at end of loop.


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    Titel :

    Public NAVSAT system


    Weitere Titelangaben:

    Space/Aeronautics


    Beteiligte:
    Breckman, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1966


    Format / Umfang :

    8 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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    Economic Study for NAVSAT

    G. A. Deboer / M. Vandermatten / R. Debos et al. | NTIS | 1985


    Usaf studies navsat proposal

    Miller, B. | Tema Archiv | 1972


    NAVSAT: A Global Satellite Based Navigation System

    Rosetti, C. / Carnebianca, C. | IEEE | 1987