WebAmplitude modulation ( AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal. WebThis classic-style boombox boasts radio, CD, and even cassette recording, all in 1 portable unit. Classic boombox design. Plays music from CDs and MP3s, cassettes, and AM/FM radio. Records and dubs to cassette. Offers aux input for external audio sources. Comes with bass boost. Can run on batteries.
List of 50 kW AM radio stations in the United States - Wikipedia
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