Broadcast call signs

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Broadcast call signs are call signs assigned as unique identifiers to radio stations and television stations. While broadcast radio stations will often brand themselves with plain-text names, identities such as "cool FM", "rock 105" or "the ABC network" are not globally unique. Another station in another city or country may (and often will) have a similar brand, and the name of a broadcast station for legal purposes is normally its internationally recognised ITU call sign. Some common conventions are followed around the world.

Excluding those used in amateur radio, call signs are traditionally only used in the Americas and few countries such as Australia, Japan, the Philippines, South Korea and Taiwan.