Ключевые слова: aerial, antenna, astronomy, black, blue, bright, broadcast, broadcasting, cable, channel, clear sky, clouds, communication, data, digital, dish, equipment, global, global communications, information, instrument, internet, media, network, nobody, outdoors, radar, radio, receiver, roof, satellite, satellite dish, science, scientific, signal, single object, sky, sky blue, space, technology, telecommunications, telescope, television, transmission, transmit, wave, wireless,