To secure 2-way communication between dispatcher and freight and passenger trains, maintenance trucks and supervisors' automobiles, Chicago South Shore and South Bend, electrified railroad operating between Chicago and South Bend, Ind, has adopted space radio relay system on 77 mi of road; remote radio repeater or relay stations are controlled entirely by radio and independent of land wire lines. (see also Ry Signaling v 42 n 6 June 1949 p 374-7)


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    Title :

    Radio freed from wire-line linkage


    Additional title:

    Ry Age


    Contributors:

    Published in:

    Railway Age ; 126 , n 25


    Publication date :

    1949


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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