An entertainment broadcasting venture based in Wilkinsburg, Pennsylvania, became the first commercial radio station, KDKA, in 1920. The station WWJ, in Detroit, Michigan, also one of the firsts ...

A vertical panel in the 1920s style also shows measurements from the filament, plate current, and antenna coupling. While amature radio has become increasingly high-tech over the last few years ...

Radio companies formed to build and sell ready-made machines. In 1920, Westinghouse, one of the leading radio manufacturers, had an idea for selling more radios: It would offer programming.

Re-Imagined Radio, which airs old and new radio programs announced Tuesday that it has launched a YouTube channel.