angles appearance communicating communications communications-equipment concave connecting dish distant distinctive electrical-signals electromagnetic equipment exterior external height high light mobile-phones modern parabolic parabolic-reflector radio-waves receivers receiving round satellite-dish satellite-dishes sending Signals steel steel-structure technical technology telecommunications telephones tower towering transmission transmissions transmitters transmitting water-tower cables sky wires wiring Australia Australian brown bush central central-Australia contrast contrasting descriptive distance drought dry dry-brown-land far hills hilly mountain mountain-range outback outcrops rocky rough scrub slope sloping steel structure antenna cloud dishes engineering pole roof rooftop