Radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmi ...

in Colombia started in the early 1920s when a group of

radio amateur An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators h ...

s and enthusiasts brought the first receivers to the country, mostly in order to listen broadcasts from Europe and the United States. Broadcasting started in September 1929, with state-owned HJN, predecessor of

Radiodifusora Nacional de Colombia Radio Nacional de Colombia ("Colombian National Radio") is a Colombian state-owned public radio network, part of Señal Colombia RTVC. It was launched – as Radiodifusora Nacional de Colombia – on 1 February 1940, three years after closure o ...

, and privately run La Voz de Barranquilla (HKD). As of 2011, Colombia has three major national

radio network There are two types of radio network currently in use around the world: the one-to-many (simplex communication) broadcast network commonly used for public information and mass media, mass-media entertainment, and the two-way radio (Duplex (telecomm ...

s: state-run Radiodifusora Nacional de Colombia and private networks Caracol Radio and RCN Radio, with hundreds of affiliates. These networks appeared in the 1940s. There are other national networks, including Cadena Super,

Todelar Todelar is a system of radio stations that covers all of Colombia, founded in 1953 by Bernardo Tobón de la Roche. Its flagship station is ''La Voz de Bogotá'' since 2017. ''Radio Continental'', also in Bogotá, had this role until 2016, having j ...

, Organización Radial Olímpica, and Colmundo, among others.

References

Mass media in Colombia {{Colombia-media-stub