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  2. AM broadcasting - Wikipedia

    en.wikipedia.org/wiki/AM_broadcasting

    AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands.

  3. List of AM stereo radio stations - Wikipedia

    en.wikipedia.org/wiki/List_of_AM_stereo_radio...

    The following is a list of AM radio stations transmitting in C-QUAM stereo throughout the world, which can be sorted by their call signs, frequencies, cities of license, country of origin, licensees, and programming formats.

  4. AM stereo - Wikipedia

    en.wikipedia.org/wiki/AM_stereo

    AM stereo is a term given to a series of mutually incompatible techniques for radio broadcasting stereo audio in the AM band in a manner that is compatible with standard AM receivers. There are two main classes of systems: independent sideband (ISB) systems, promoted principally by American broadcast engineer Leonard R. Kahn ; and quadrature ...

  5. Amplitude modulation - Wikipedia

    en.wikipedia.org/wiki/Amplitude_modulation

    Amplitude 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.

  6. 1060 AM - Wikipedia

    en.wikipedia.org/wiki/1060_AM

    The following radio stations broadcast on AM frequency 1060 kHz: [1] 1060 AM is a United States and Mexican clear-channel frequency. KYW Philadelphia and XECPAE Mexico City share Class A status on 1060 kHz. [2]

  7. Radio broadcasting - Wikipedia

    en.wikipedia.org/wiki/Radio_broadcasting

    Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.

  8. 630 AM - Wikipedia

    en.wikipedia.org/wiki/630_AM

    The following radio stations broadcast on AM frequency 630 kHz: 630 AM is a regional U.S. broadcast frequency. [ 1 ] 630 kHz is a Philippine clear-channel frequency used by NTC. DZMM share Class A status at 630 kHz and being defunctional because of legislative franchise lapsed

  9. 620 AM - Wikipedia

    en.wikipedia.org/wiki/620_AM

    The following radio stations broadcast on AM frequency 620 kHz: 620 AM is a Regional broadcast frequency. [1] In Antigua and Barbuda. V2C-AM in Saint John's;