Operating under rules of, and given sizable number of frequencies by, Federal Communications Commission, railroads are using new service in yards, terminals, harbors, and on main lines, as well as for emergencies; equipment and housings have been designed to meet this new radio use. Paper 48-315 before Am Inst Elec Engrs.
Railroad radio
Elec Eng
Electrical Engineering ; 68 , n 1
1949
7 pages
Article (Journal)
English
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