KCAU-TV is the ABC-affiliated television station in Sioux City, Iowa, broadcasting digitally on VHF channel 9. The KCAU TV Tower is a guyed mast for TV transmission in Sioux City at 42°35′12.2″N 96°13′57.1″W / 42.586722°N 96.232528°W / 42.586722; -96.232528. The tower was built in 1965 and is 609.9 meters (2000 feet) high. It is tied for the tallest structure of the state and is one of the tallest structures in America.

Read more about KCAU-TV:  Digital Television, History, News Operation