Ключевые слова: accident, antenna, arc, architecture, astronomy, background, broadcast, cellular, chernobyl, chernobyl 2, connection, construction, dipole, disaster, dish, electromagnetic, equipment, exception, field, frequency, giant, global, information, internet, mast, military, network, observatory, powerful, pylon, radio, radioactive, region, research, satellite, science, signal, soviet, space, station, technology, telecommunications, telescope, television, tower, transmission, transmitter, war, wireless, woodpecker,