Radio Los 40 Principales
LOS40 is a musical radio network from Spain that features popular music from English, Spanish and Latin American countries. It broadcasts to several Spanish-speaking countries including Argentina, Bolivia, Colombia, Ecuador, Peru, Venezuela, Uruguay and Mexico. Some of its stations are affiliated with local broadcasting companies. Some of its stations are owned by the Spanish media conglomerate Prisa Radio. https://emisorasderadioonline.es/los-40-principales-en-directo/

The radio station was founded in the 1960s in Madrid, Spain. It initially was a music show that was aired on Radio Madrid. It later grew into a standalone radio station in 1979. The station was originally part of the Cadena SER, a radio network owned by the PRISA group.