Los 40 Principales is a Top 40 music radio network and radio station brand in many Spanish-speaking countries from PRISA Radio. Its origins started as a music show at Radio Madrid, today Cadena SER, in 1966, where the 40 Principales chart was born, and then evolved into a standalone radio station in 1979 at https://emisorasderadioonline.....es/los-40-principale
The LOS40 radio network has a large number of listeners in Spain and in other Latin American countries, such as Argentina, Chile, Colombia, Costa Rica, Ecuador, Guatemala, Mexico, Panama, Paraguay and the Dominican Republic.