List Of AM Radio Stations In The United States By Call Sign (initial Letters KG–KM)
This is a list of AM broadcasting, AM radio stations in the United States having Call signs in North America, call signs beginning with the letters ''KG'' to ''KM''. KG-- KH-- KI-- KJ-- KK-- KL-- KM-- See also

* North American call sign {{DEFAULTSORT:AM radio stations in the United States by call sign (initial letters KG-KM) Lists of radio stations in the United States, AM radio stations in the United States by call sign (initial letters KG-KM) ...
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AM Broadcasting
AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands. The earliest experimental AM transmissions began in the early 1900s. However, widespread AM broadcasting was not established until the 1920s, following the development of vacuum tube receivers and transmitters. AM radio remained the dominant method of broadcasting for the next 30 years, a period called the "Golden Age of Radio", until television broadcasting became widespread in the 1950s and received most of the programming previously carried by radio. Subsequently, AM radio's audiences have also greatly shrunk due to competition from FM (FM broadcasting, frequency modulation) radio, Digital audio broadcasting, Digital Audio Broadcasting (DAB), satellite radio, HD Radio, HD (digi ...
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