radio operator(n = noun.person) - someone who operates a radio transmitter;
is a kind of manipulator, operator
has particulars: ham

big time operator, camera operator, clock radio, company operator, elevator operator, existential operator, father of radio, identity operator, linear operator, newsstand operator, omnidirectional radio range, operator, operator gene, push-button radio, quasi-stellar radio source, radio, radio aerial, radio announcer, radio antenna, radio astronomy, radio beacon, radio beam, radio brightness, radio broadcast, radio chassis, radio compass, radio control, radio detection and ranging, radio emission, radio frequency, radio interferometer, radio link, radio news, radio noise, radio observation, radio radiation, radio receiver, radio reflector, radio set, radio signal, radio source, radio spectrum, radio station, radio technician, radio telescope, radio transmitter, radio wave, sewing-machine operator, switchboard operator, telegraph operator, telephone operator