RADIOPHERULA 1 . Type of programming that is characterized by including similar contents in a unique daily grill. The term also defines the stations that have that programming. They are usually musical and have a basic formal scheme, which is repeated during the day. There are radio formula variables, although the basic concept is to repeat musical hits 24 hours a day. This format usually evaluates the Anglo-Saxon hot-clock concept, in which at a certain time a certain song with particular characteristics sounds, such as the number 1 of the Top 10 of the day or week being heard. As opposed to the THEMATIC or Monographic RADIO is a station whose programming deals exclusively with a generic subject (economy, sports, classical music, religion. . . ) and uses a variety of radio formats. 2 . In Mexico : Mexican spoken radio network. Founded in 1968, Radio Formula programs are broadcast by 100 stations.