Radio network for supervision of rail and road passenger vehicles in London; experimental system employs main transmitter of 100-w and four fixed receiving stations at strategic points around London to relay communications from mobile transmitters to control center; 3-w and 15-w units used as mobile transceivers; coverage of area served by London transport.
London traffic control
Wireless World
Wireless World ; 55 , n 12
1949
Article (Journal)
English
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