Ключевые слова: antenna, astronomy, background, broadcast, business, cable, channels, commercial, communicate, communications, connection, contact, data, dish, drawing, electronic, equipment, exploration, global, image, industrial, information, internet, isolated, media, network, object, observe, radar, radio, receiver, remote, research, satellite, science, send, signals, sky, station, study, surveillance, technology, telecommunications, telephone, television, transmit, transmitter, wave, world,