TV Difusora is a Brazilian television station based in the city of São Luís, capital of the state of Maranhão. It operates on VHF Channel 4 and UHF digital channel 38, and is affiliated with SBT. Headquarters and head-of - network of Rede Difusora, from which it broadcasts along with TV Difusora Sul and several affiliates in the state of Maranhão, the station belongs to the Sistema Difusora de Comunicação, a communication group belonging to the politician Edinho Lobão. Founded on November 9, 1963 by Magno Bacelar, its former owner, it is the first TV station in Maranhão.