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  2. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz).Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication.

  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. List of AM-band radio station lists issued by the United ...

    en.wikipedia.org/wiki/List_of_AM-band_radio...

    Frequency: Radio Broadcast Stations (FCC) State/city: Radio Broadcast Stations (FCC) 1/1/1939 Call letters Radio Broadcast Stations (FCC) Frequency Radio Broadcast Stations (FCC) State/city: Radio Broadcast Stations (FCC) 1/1/1940 Call letters: Radio Broadcast Stations (FCC) Linked site is missing pages 96–97 Frequency: Radio Broadcast ...

  5. AM Stereo and Digital AM in and near the United States

    en.wikipedia.org/wiki/AM_Stereo_and_Digital_AM...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  6. Category:Lists of radio stations by frequency - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_radio...

    Pages in category "Lists of radio stations by frequency" The following 200 pages are in this category, out of approximately 338 total. This list may not reflect recent changes .

  7. List of 50 kW AM radio stations in the United States

    en.wikipedia.org/wiki/List_of_50_kW_AM_radio...

    Frequency Community of License Power KAAY: 1090 kHz Little Rock, Arkansas 50 kW U, DAN KALL: 700 kHz North Salt Lake City, Utah 50 kW-D, 10 kW-N, DA2 (Class B) KBLA: 1580 kHz Santa Monica, California 50 kW U, DA2 (Class B) KBOI: 670 kHz Boise, Idaho 50 kW U, DAN (Class B) KBRT: 740 kHz Costa Mesa, California

  8. List of North American broadcast station classes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    The following chart lists frequencies on the broadcast company band, and which classes broadcast on these frequencies; Class A and Class B, 10,000 watt and higher (full-time) stations in North America which broadcast on clear-channel station frequencies are also shown.

  9. Electromagnetic spectrum - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_spectrum

    Frequencies observed in astronomy range from 2.4 × 10 23 Hz (1 GeV gamma rays) down to the local plasma frequency of the ionized interstellar medium (~1 kHz). Wavelength is inversely proportional to the wave frequency, [ 1 ] so gamma rays have very short wavelengths that are fractions of the size of atoms , whereas wavelengths on the opposite ...