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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 following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH= critical hours power.
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.
High school radio KCLI: 1320 Clinton, Oklahoma: United States Wright Broadcasting Systems Sports KCSR: 610 Chadron, Nebraska: United States Chadrad Communications, Inc. Country KFRO: 1370 Longview, Texas: United States RCA Broadcasting, LLC Classic Hits 70s and 80s KGAK: 1330 Gallup, New Mexico: United States KRJG, Inc. Navajo language KINY ...
Before television, AM radio was the predominant broadcast entertainment medium in America. Beginning in the 1970s, AM listenership has significantly declined, primarily shifting to the FM band. Because of this, the FCC allows some AM stations to simulcast their programming, and in some cases extend their hours of operation, over translator ...
Because the AM broadcast band developed before technology suitable for directional antennas, there are numerous exceptions, such as the US use of 800 (kHz) and 900 non-directionally in Alaska, limited to 5 kW at night; and 1050 and 1220, directionally, in the continental US, and without time limits; each of these being assigned to specific ...