radio-frequency

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Definition/MeaningWord/Phrase
United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939) A. E. Kennelly , Arthur Edwin Kennelly , Kennelly
electrical device that sends or receives radio or television signals aerial , antenna , transmitting aerial
medium for radio and television broadcasting air , airwave
exposure of songs on the air by a radio station airplay
medium for radio and television transmission airwave
modulation of the amplitude of the (radio) carrier wave AM , amplitude modulation
reads news, commercials on radio or television announcer
aerial for radio or TV antenna
highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission Appleton layer , F layer , F region
radio station that broadcasts a directional signal for navigational purposes beacon , radio beacon
radio signal used to guide beam
radio receiver that beeps when contacted beeper , pager
suspension of radio or tv broadcasting blackout
message that is transmitted by radio or television broadcast
area over which a radio or tv transmission can be received broadcast area
journalist who broadcasts on radio or television broadcast journalist
radio or television show broadcast , program , programme
someone who broadcasts on radio or television broadcaster
taking part in a radio or tv program broadcasting
company that manages tv or radio stations broadcasting company
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