radiotelephone operator

radiotelephone

radiotelephone procedure

radiotelephone transmitter

radiotelephone direction finder

radiotelephone communications

radiotelephone terminal

radiotelephone vocabulary

air traffic control operator

control tower operator

early warning system (EWS) operator

identification operator

operator control unit (OCU)

operator maintenance

operator’s pack

operator's permit

ship operator

telephone operator

radio telephone operator (RTO)

aiming rule operator

azimuth (deflection) display board operator

control post operator

vertical control operator

fire-control operator

navigator-radio operator

air operator certificate

aircraft operator

airport operator

flight operator

flight radio operator

flight systems operator

operator  D / Dt

operator communication