Onda Cero is a Spanish radio network that offers a variety of programming, including news, talk shows, and entertainment. It is part of the Atresmedia group and has a strong presence across Spain, providing listeners with local and national content. Founded in 1990, Onda Cero has grown to become one of the leading radio stations in the country. Its flagship program, Más de Uno, features discussions on current events and interviews with notable figures, making it a popular choice for audiences seeking informative and engaging content.