60 Minutes

60 Minutes is a popular television news magazine and one of the longest-running programs in... More >>

Amos 'n' Andy

Amos 'n' Andy was probably the most popular radio program in American broadcasting history. The... More >>

Antenna

Antenna is a device used in an electronic system to help information pass from a transmitting... More >>

Automatic frequency control (AFC)

Automatic frequency control (AFC) is a circuit used in some electronic devices to maintain a... More >>

Brady Bunch, The

Brady Bunch, The, was a popular weekly television comedy that ran from 1969 to 1974. The series... More >>

Cable

Cable, for electric and communications use, is an insulated wire or bundle of wires that carry... More >>

Citizens band radio

Citizens band radio is a method of short-distance communication used by private citizens. It... More >>

Closed captioning

Closed captioning is a system that presents the dialogue and sound effects of television programs... More >>

Frequency band

Frequency band, also called waveband, is a range of radio frequencies set aside for a single... More >>

Grand Ole Opry

Grand Ole Opry is a radio program that has been a popular showcase for music since 1925. The... More >>

Image orthicon

Image orthicon, AWR thuh kon, is a vacuum tube that was used in some television cameras to take... More >>

Masterpiece Theatre

Masterpiece Theatre is a popular television show that presents multipart adaptations of literary... More >>

Microphone

Microphone is a device that changes sound into electric energy. This energy travels over wires or... More >>

Monitoring station

Monitoring station receives and measures signals from radio transmitters. These signals come from... More >>

Monty Python's Flying Circus

Monty Python's Flying Circus was a British satirical television program originally broadcast from... More >>