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  2. FM broadcasting in the United States - Wikipedia

    en.wikipedia.org/wiki/FM_broadcasting_in_the...

    For the same reason, assignment restrictions between TV stations on channel 6 and nearby FM stations are stringent: there is only one station in the United States (CSN International translator K200AA in Sun Valley, Nevada) licensed to operate on 87.9 MHz, because it was forced off of another channel. Therefore, in effect, the FM broadcast band ...

  3. HD Radio - Wikipedia

    en.wikipedia.org/wiki/HD_Radio

    The cost of converting a radio station can run between $100,000 and $200,000. [13] ... "IBOC digital radio broadcasting for AM and FM radio broadcast stations".

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

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

    The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH= critical hours power.

  5. Radio in the United States - Wikipedia

    en.wikipedia.org/wiki/Radio_in_the_United_States

    Some FM stations became known for their experimentation; with early freeform stations evolving into progressive rock, the first radio format designed specifically to showcase rock music. By the 1980s FM radio (aided by the development of smaller portable radios and "Walkman" headsets) was dominating music

  6. List of community radio stations in the United States

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

    To be included in the listing, stations must have Wikipedia pages. Call sign [4] Frequency City of license State ERP (watts) [5] Start Year KAAD-LP: 103.5 FM: Sonora:

  7. Lists of radio stations in the United States - Wikipedia

    en.wikipedia.org/wiki/Lists_of_radio_stations_in...

    Radio stations in United States have evolved since their early twentieth-century origins. In 1920 8MK started operations in Detroit; after it, thousands of private and public radio have operated in the United States.

  8. Radio broadcasting - Wikipedia

    en.wikipedia.org/wiki/Radio_broadcasting

    FM radio on the new band had to begin from the ground floor. As a commercial venture, it remained a little-used audio enthusiasts' medium until the 1960s. The more prosperous AM stations, or their owners, acquired FM licenses and often broadcast the same programming on the FM station as on the AM station ("simulcasting"). The FCC limited this ...

  9. Broadcast license - Wikipedia

    en.wikipedia.org/wiki/Broadcast_license

    In FCC auction 1000 for the 600 MHz band, TV stations were paid to leave the air in crowded markets (to facilitate repacking of stations on TV channels 38 to 51 into those already using 2 to 36), but are allowed to move the license to another existing station, keeping their virtual channel numbers and must-carry rights. Each licensee is ...