Results of tests conducted in North River tunnel of Pennsylvania Railroad; frequencies between about 25 and 1500 Mc are unsuitable; how satisfactory transmission can be obtained up to 6000 ft using frequencies and equipment ordinarily employed in railroad mobile systems and twin-lead cable such as RG-86/U suitably located within tunnel, to couple closely with train antennas.


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    Titel :

    Communication with moving trains in tunnels


    Weitere Titelangaben:

    Inst Radio Engrs -- Trans Vehicular Communications


    Beteiligte:
    Monk, N. (Autor:in) / Winbigler, H.S. (Autor:in)


    Erscheinungsdatum :

    1956


    Format / Umfang :

    8 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Aerodynamic drag of trains in tunnels

    Hara, T. | Engineering Index Backfile | 1967


    Compressible and Leaky Trains in Tunnels

    Vardy, A E / Fox, J A | SAGE Publications | 1987


    Vibrations Assessment of Existing Building Foundations Due to Moving Trains in Underground Tunnels

    Avci, Onur / Bhargava, Ashish / Nikitas, Nikolaos et al. | British Library Conference Proceedings | 2020


    Aerodynamic Effects Caused by Trains Entering Tunnels

    Liu, T.-h. / Tian, H.-q. / Liang, X.-f. | British Library Online Contents | 2010


    The Aerodynamics of High Speed Trains in Tunnels

    Henson, D. A. / MacDonald, M. / American Public Transit Association | British Library Conference Proceedings | 1993