Los Angeles now has three truck trailers packed with radios and other communication equipment. The units, costing $40,000 each, serve as mobile communication centers for the city's civil defense system. In each trailer are six receiving and transmitting sets, plus a master communication set. They provide contact with 36 fixed communication centers. In an emergency, the trailers can be hauled to any location and antennas for the equipment set up quickly. Any one of the trailers can function as the base unit.
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