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  2. Comparison of radio systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_radio_systems

    World radio systems (Terrestrial) System Type Modulation Data rate Sidebands? Ch. Bandwidth Radio spectrum Sound Codec Digital subchannels SFN Metadata/RDS/RBDS; AM radio: Analog radio: Amplitude Modulation: N/A? 18–20 kHz: 148.5-283.5 kHz (Longwave) 510–1610 kHz (Europe) 510–1710 kHz (USA and Canada) N/A: N/A: No: None Motorola C-QUAM ...

  3. List of most-listened-to radio programs - Wikipedia

    en.wikipedia.org/wiki/List_of_most-listened-to...

    Included is a list of the 20 most-listened-to radio shows in the United States according to weekly cumulative listenership, followed by a selection of shows of various formats that are most-listened-to within their category. (Unless otherwise noted, the Talkers "non-scientific" estimate is the source. [1] [clarification needed])

  4. List of North American broadcast station classes - Wikipedia

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

    Stations could optionally choose to keep the -DT suffix. [9] Most stations did not keep the -DT suffix. [10] For US analog stations, the -TV suffix was required if there was a radio station with the same three- or four-letter callsign. Stations not required to use the -TV suffix may optionally request it if desired.

  5. List of Internet radio stations - Wikipedia

    en.wikipedia.org/.../List_of_Internet_radio_stations

    This is a list of Internet radio stations, including traditional broadcast stations which stream programming over the Internet as well as Internet-only stations. General 104.1 Territory FM – Darwin, Northern Territory, Australia

  6. List of community radio stations in the United States

    en.wikipedia.org/wiki/List_of_community_radio...

    Following is a list of FCC-licensed community radio stations in the United States, including both full-power and low-power non-commercial educational services. The list is divided into two sections: The list is divided into two sections:

  7. List of radio stations in North America by media market

    en.wikipedia.org/wiki/List_of_radio_stations_in...

    2001 List of U.S. Radio Markets (ranked by size) [dead link ‍] Glossary of radio market terms [dead link ‍] List of qualitative diary markets from Arbitron [dead link ‍] US Metro map from Arbitron [dead link

  8. List of radio stations owned by Audacy, Inc. - Wikipedia

    en.wikipedia.org/wiki/List_of_radio_stations...

    The following is a list of radio stations owned by Audacy, Inc. As of June 2023, Audacy (then known as Entercom) operates 227 radio stations in 45 media markets across the United States. On February 2, 2017, Entercom announced that it had agreed to acquire CBS Radio.

  9. Radio transmitter design - Wikipedia

    en.wikipedia.org/wiki/Radio_transmitter_design

    A radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. Radio waves are electromagnetic waves with frequencies between about 30 Hz and 300 GHz. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the ...