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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.
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 ...
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 ...
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.
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 ...
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 ...
Also AM radio or AM. Used interchangeably with kilohertz (kHz) and medium wave. A modulation technique used in electronic communication where the amplitude (signal strength) of the wave is varied in proportion to that of the message signal. Developed in the early 1900s, this technique is most commonly used for transmitting an audio signal via a radio wave measured in kilohertz (kHz). See AM ...
Because AM 1120 is a clear channel frequency reserved for Class A KMOX in St. Louis, KCRN must leave the air at night when radio signals travel farther. The transmitter is on Route 86 in Simla, about 25 miles west of Limon. [4] KCRN is also heard on 250-watt FM translator station K272FP at 102.3 MHz in Black Forest, Colorado, serving Colorado ...