RAE, Buenos Aires. Considering all their economic problems, it's some kind of mirage Argentina has managed to keep their international service on. RAE broadcasts a daily 30-minute programme in such languages as Spanish, Portuguese, German and English. English programming includes eg. a listeners' contact show "The Bridge" on Sundays. On their website, you may also listen to six channels of Argentine music. Wikipedia.
Radio Panamericana, La Paz. Estblished in 1972, Radio Panamericana belongs to the oldest radio stations in this country. An affiliate of the RCN Radio Network plays a wide variety of Latin music: from Argentine tango from the 30's to modern Latin pop. They also call local football/soccer games Facebook.
Olímpica Stéreo is a Barranquilla-headquartered commercial radio chain operating in 18 cities in Columbia. Each city carries own programming. The stations of the play mostly salsa and tropical music. The chain was one of the first Columbian broadcasters who moved to FM (VHF) in late 70's. Facebook. Wikipedia (in Spanish).
Tropicalida, Guayaquil. Broadcasting from the most populous city in Ecuador, uptempo shows of Radio Tropicalida feature Merengue, Latin Pop, Salsa, Bachata, Cumbia, Vallenato, Reggaeton and others. Facebook. -Stream off, February 2019.
Radio Comas, Lima. A Spanish language broadcaster from the northern parts of the Peruvian capital. Comas plays plenty of tropical rhythms, including cumbia. You may select FM or AM service on their website. Facebook.
Ecos del Torbes, San Cristóbal. Broadcasting from the western Venezuelan state of Táchira, Ecos del Torbes features news, information, sports and music (eg. "Traganiquel Musical" in the afternoon). The station is owned by Grupa Gregorio González Lovera, named after Gregorio González Lovera who launched Ecos del Torbes in 1947. Wikipedia (Spanish). Facebook.