El 1 de junio de 1991 comenzó a latir la primera radio de frecuencia modulada de San José de Mayo, Uruguay. Emisora Principal se crea todos los días, con la dedicación y profesionalidad del equipo de funcionarios y el elenco de coproductores.
Emisora Principal is a radio station and online news portal that offers a variety of programming and news coverage. Their daily schedule includes programs focused on rural information, national and international news with an emphasis on the San José department, cultural segments, sports, and music. They also feature news on local events, crime, politics, and social initiatives.