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  2. Clear-channel station - Wikipedia

    en.wikipedia.org/wiki/Clear-channel_station

    A clear-channel station is a North American AM radio station that has the highest level of protection from interference from other stations, particularly from nighttime skywave signals. This classification exists to ensure the viability of cross-country or cross-continent radio service enforced through a series of treaties and statutory laws.

  3. Radio homogenization - Wikipedia

    en.wikipedia.org/wiki/Radio_Homogenization

    Clear Channel grew from 40 stations to 1,240 stations in seven years (30 times more than congressional regulation previously allowed) . [6] Their aggressive acquisitions have gained them enemies as well as supporters, but their ownership of 247 of the nation's 250 largest radio markets and their domination of the Top 40 format makes them ...

  4. General Order 40 - Wikipedia

    en.wikipedia.org/wiki/General_Order_40

    The Federal Radio Commission's (FRC) General Order 40, dated August 30, 1928, described the standards for a sweeping reorganization of radio broadcasting in the United States. This order grouped the AM radio band transmitting frequencies into three main categories, which became known as Clear Channel, Regional, and Local. It also included ...

  5. Clear channel - Wikipedia

    en.wikipedia.org/wiki/Clear_Channel

    Clear channel may refer to: iHeartMedia, a US broadcasting company formerly known as Clear Channel Communications. Clear Channel Outdoor, an advertising company formerly a subsidiary of iHeartMedia. Clear-channel station, a regulatory category of AM broadcast stations in North America.

  6. Sign-on and sign-off - Wikipedia

    en.wikipedia.org/wiki/Sign-on_and_sign-off

    A few powerful regional clear-channel stations have an extensive secondary coverage area which is protected by having smaller local co-channel stations in distant communities sign off shortly before sunset. A frequency on which a broadcaster has to drastically reduce power or sign off entirely at sunset was traditionally the least desirable ...

  7. Category:Clear-channel radio stations - Wikipedia

    en.wikipedia.org/wiki/Category:Clear-channel...

    Clear-channel stationsradio stations whose nighttime skywave signals have a high level of protection from interference. The main article for this category is Clear-channel station . v

  8. Telecommunications Act of 1996 - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_Act_of_1996

    An FCC study found that the act led to a drastic decline in the number of radio station owners, even as the actual number of stations in the United States increased. [34] This decline in owners and increase in stations has resulted in radio homogenization , in which local programming and content has been lost [ 35 ] and content is repeated ...

  9. Concentration of media ownership - Wikipedia

    en.wikipedia.org/wiki/Concentration_of_media...

    iHeartMedia (formerly Clear Channel Communications), especially since the Telecommunications Act of 1996, acquired many radio stations across the United States, and came to own more than 1,200 stations. However, the radio broadcasting industry in the United States and elsewhere can be regarded as oligopolistic regardless of the existence of ...