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In the United States, radio stations are assigned callsigns that either start with K (for those located west of the Mississippi River), or W (for those located east of the Mississippi River). AM radio stations by call sign (starting with KA–KF)
List of FM radio stations in the United States by call sign (initial letters KA–KC) List of FM radio stations in the United States by call sign (initial letters KD–KF) List of FM radio stations in the United States by call sign (initial letters KG–KJ) List of FM radio stations in the United States by call sign (initial letters KK–KM)
FM station class Reference (maximum) facilities for station class (ERP / HAAT) FM protected or primary service contour Distance to protected or primary service contour Distance to 70 dBu city-grade or principal community coverage contour Class A 6 kW 100 m (328 ft) 60 dBu (1.0mV/m) 28.3 km (17.6 mi) 16.2 km (10.1 mi) Class B1 25 kW 100 m (328 ft)
Example of a radio map estimate using STORM, a transformer-based radio map estimator. Signal strength maps quantify signal strength at each location. Formally, a signal strength map can be seen as a function γ ( r ) {\displaystyle \gamma (\mathbf {r} )} that provides a signal strength metric for each location r {\displaystyle \mathbf {r} } .
The following is a list of radio stations owned by Audacy, Inc. As of June 2023, Audacy (then known as Entercom) operates 227 radio stations in 45 media markets across the United States . On February 2, 2017, Entercom announced that it had agreed to acquire CBS Radio .
List of FM radio stations in the United States by call sign (initial letters KA–KC) List of FM radio stations in the United States by call sign (initial letters KD–KF) List of FM radio stations in the United States by call sign (initial letters KG–KJ) List of FM radio stations in the United States by call sign (initial letters KK–KM)
A coverage map may be produced to indicate the area in which a certain signal strength is delivered. [1] Even if it is 100% accurate (which it never is), a major factor on whether a signal is receivable depends very much on whether the receiving apparatus is sensitive enough to use a signal of that level.
In US broadcasting, service contour (or protected contour) refers to the area in which the Federal Communications Commission (FCC) predicts coverage.. The FCC calculates FM and TV contours based on effective radiated power (ERP) in a given direction, the radial height above average terrain (HAAT) in a given direction, the FCC's propagation curves, and the station's class.