RADIO ON RAILWAYS.
OPERATING FREIGHT TRAINS
[from our own correspondent.] SAN FRANCISCO, June 30.
A locomotive driver, sitting in his cab, Conversed easily with the brakeinan in his caboose at the rear of ;i freight train a mile and a-quarter long. The tests, conducted by engineers of the General Electric Company and railroad officials, demonstrated the practicability of freight train operation by radio. Both engineer and brakeman communicated with each other as easily as if by an ordinary telephone. Cab and caboose were equipped with double antennae, one for sending and the other for receiving the radio signals; each had transmitting and receiving apparatus Short-wave transmitters were used, in order hot to interfere with regular broadcasting. Railroad men said radio communication was particularly valuable on trains made up-of from 70 to 125 cars, where conductor and engineer are separated by such long distances.
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Bibliographic details
New Zealand Herald, Volume LXIV, Issue 19698, 26 July 1927, Page 10
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143RADIO ON RAILWAYS. New Zealand Herald, Volume LXIV, Issue 19698, 26 July 1927, Page 10
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