 On November 1, 2018, KTVX replaced a standard definition simulcast of KUCW on digital 4.3 with Heroes & Icons on digital 4.4.KTVX became the first television station in Utah to broadcast a digital signal and the first to broadcast network programming in high-definition in 2000.The station shut down its analog signal, over VHF channel 4, on June 12, 2009, as part of the federally mandated transition from analog to digital television.