Rádio Gaúcha
Rádio Gaúcha is a Brazilian radio station in Porto Alegre, capital of the state of Rio Grande do Sul. It is owned and operated by Grupo RBS, the major media company in Rio Grande do Sul and one of the most important media conglomerates in Brazil. The station broadcasts a news/talk and sports programming, as well as live sports coverage. Its broadcast in FM 93.7 MHz, with owned and operated stations in Santa Maria (FM 105.7 MHz), Caxias do Sul (FM 102.7 MHz) and Rio Grande (FM 102.1 MHz). Until 2021, Rádio Gaúcha was also broadcast in  AM 600 kHz. The station's AM night signal, through propagating sky waves from the ionosphere, reached parts of Santa Catarina, Paraná, São Paulo and parts of Uruguay and Argentina. On July 21, 2021, the AM signal has been switch-off. With the change, the radio station starts to focus on the FM dial, on its O&Os and affiliated stations and on digital platforms, following the trend of discontinuation of AM radio in the Brazilian radio market. Founded in February 1927, Rádio Gaúcha is the oldest broadcaster in Rio Grande do Sul still in operation and is considered to be  the largest radio network in Brazil, with four owned and operated stations in Rio Grande do Sul and more than 140 affiliates.