KHJ-TV/FM Tower (now known as KCAL-TV/KRTH Tower) is a 141.4 meter (464 ft) high self-supporting radio/television tower at 34°13'38.0" N and 118°04'3.0" W on Mount Wilson above Los Angeles, California, (near the Mount Wilson Observatory). The KHJ-TV/FM Tower was built in 1983. It is owned by CBS Corporation and used by KCBS-TV (digital channel 43, 540,000 watts), KCAL-TV (digital channel 9, 25,000 watts), KRTH (101.1 MHz, 51,000 watts) and more.