KCAU-TV (Sioux City, IA)
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. The tower was built from 1965-1967 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.