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A type of radio broadcasting that uses frequency modulation (FM) to provide high-fidelity sound over broadcast radio. The broadcast band falls within the VHF part of the radio spectrum, specifically 88 to 108 MHz. Odd numbered multiples of 100kHz are used for channel separation. With FM the voice is expressed over a carrier wave by varying its frequency, which causes FM modulation to consume more of the spectrum than AM broadcasts, which merely modulate the amplitude on a single frequency. Stereo FM broadcasting was approved by the FCC in 1961 when a system developed independently both by GE and Zenith were accepted. Although Stereo FM offered the Left and Right separation already used in recording, Stereo FM signals are more susceptible to noise and multipath distortion than are mono FM signals. This is why FM stereo receivers traditionally include a mono switch, which is useful as the signal-to-noise ratio worsens when a station becomes more distant or signal fades.== Low Power FM (LPFM) radio service =={{:LPFM}}* [http://part15.us/node/889 National Association of Microbroadcasters]* <s>[http://www.radiobrandy.com/part15fm.html Radio Brandy Micro Power & Part 15 FM]</s>=== High end short range ======Consumer Grade Short Range ===* [http://www.hobbytron.com/fm-broadcast-transmitter.html Pro FM Stereo Radio Station FM100B]* <s>[http://www.hobbytron.com/fm-broadcast-transmitter.html Pro FM Stereo Radio Station FM100B]</s>* Whole House FM Transmitter 2.0* [[Whole House FM Transmitter 3.0]]* [http://www.radiobrandy.com/Transmitters.html EDM LED transmitter] See Also: [[Microbroadcasting FM Radio Equipment]] == Avoiding Interference == Complaints to the FCC against micro-broadcasters are typically lodged due to interference caused by the unlicensed transmitter, especially that on a licensed station. Select a frequency that is not being used by a station already. Refer to [http://radio-locator.com/cgi-bin/page?p=maps this radio locator] to find what licensed stations are in your area.[[Category:Micro Broadcasting]]