 KTVX by then had become the first television station in Utah to broadcast in color and was one of the first ABC affiliates to broadcast in color.The station adopted its present-day KTVX call letters in October 1975 (which were previously used by fellow ABC affiliate KTUL-TV in Tulsa, Oklahoma from 1954 to 1957), when United Television—then the broadcasting division of 20th Century Fox—acquired the station.In 1981, United Television merged with Chris-Craft Industries.