What is "kdfw"

KDFW, virtual channel 4 ( UHF digital channel 35), is a Fox owned-and-operated television station serving the Dallas– Fort Worth Metroplex that is licensed to Dallas, Texas, United States. The station is owned by the Fox Television Stations subsidiary of 21st Century Fox, as part of a duopoly with MyNetworkTV owned-and-operated station KDFI (channel 27). The two stations share studio facilities located at 400 North Griffin Street in downtown Dallas; KDFW maintains transmitter facilities located south of Belt Line Road in Cedar Hill.