KHJ is a commercial AM radio station that is licensed to Los Angeles, California. Owned and operated by Relevant Radio, Inc., the station broadcasts Roman Catholic religious programming as an affiliate of the Relevant Radio network.
Ernest G. Underwood at the KHJ studios, 1927
Logo used during the "Boss Radio" era.
In broadcasting and radio communications, a call sign is a unique identifier for a transmitter station. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even cryptographically encoded to disguise a station's identity.
Russian nuclear icebreaker Arktika with call sign UKTY
All U.S. states issue call sign license plates upon request for motor vehicles owned by amateur radio operators. This road vehicle is from California.
Department of Commerce callbook, 1919