KRDK-TV, channel 4, is a television station serving Fargo, North Dakota and Grand Forks, North Dakota, which is affiliated with multiple networks on various digital subchannels. It is licensed in Valley City, North Dakota, its transmitter is located near Galesburg, and its studios are in Fargo. The station launched in December 1954 as KXJB-TV, the CBS affiliate for the market. The 2,060-foot (630 m) high KXJB-TV mast, located near Galesburg, North Dakota, was the second tallest man-made structure on Earth when it was built in 1966.