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Having a gap between the highest TV channel number and the lowest FM channel number allowed for expansion, which occurred in 1978 when FM channel 200 (87.9 MHz) was added. [3] FM channel numbers are commonly used for listing FM Station Allotments, which are the FM station assignments designated for individual communities. In the United States ...
In the United States, FM broadcasting stations operate on a 20.2 MHz-wide frequency band, spanning from 87.8 MHz to 108 MHz. This is divided into 101 0.2 MHz-wide channels, which are designated as channels 200 through 300. In actual practice, few except the FCC use these channel numbers; the frequencies are used instead.
The naming convention for FM translators includes their three-digit FM channel number (from 200 to 300), followed by two sequentially assigned letters – for example, K237FR. The translator may identify itself hourly by voice or Morse code. The primary station may instead choose to identify all its translators together; if it does so, the ...
FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong , wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio . [ 1 ]
That same year the standard FM broadcasting band was reassigned to 80 channels from 88.1 to 105.9 MHz, which was soon expanded to 100 channels ending at 107.9 MHz (channels 201–300). [11] [12] One additional FM channel, centered on 87.9 MHz (channel 200), was added in 1978. [13]
Red Channels: The Report of Communist Influence in Radio and Television was an anti-Communist document published in the United States at the start of the 1950s. Issued by the right-wing journal Counterattack on June 22, 1950, the pamphlet-style book names 151 actors, writers, musicians, broadcast journalists, and others in the context of ...
NBC Red/Blue's secondary 1930s' logo, commonly seen on microphone flags. From the network's formation, NBC was a dominant force on the radio landscape. In 1932, out of the 40 clear-channel stations licensed by the Federal Radio Commission (FRC), 28 were affiliated with either NBC network, 13 were affiliated with CBS, and two were independents. [95]
Channel America (CA), officially Channel America Network, Inc., [3] was the first United States terrestrial broadcast television network to be intentionally assembled out of LPTV, or low-power television licensees. The network was founded by David Post in 1987 [1] and launched in 1988. [2]