 The television network has shed 30 transmitters in recent years and also dropped six additional transmitters by failing to convert them to digital.Public broadcasting in Oaxaca began in the early 1980s under Governor Pedro Vásquez Colmenares, with the insertion of local opt-outs into the programming of the Canal 7 network of Imevisión.Original output consisted entirely of plays staged for television by the Compañía Teatral Palo Bravo, as the state lacked production resources.