Ключевые слова: air, antenna, army, background, beautiful, broadcast, broadcasting, business, cable, communicating, communication, data, defence, digital, dish, equipment, information, internet, isolated, media, military, morning, network, observatory, radar, radio, receive, receiver, remote, satellite, science, security, signal, sky, space, station, summer, sunset, system, technology, telecommunications, telescope, television, transmit, transmitting, tv, twilight, wave, wireless,