KCTU-LD, virtual and UHF digital channel 43, is a digital low-power television station located in Wichita, Kansas, United States. The station is locally owned by River City Broadcasters, Inc. KCTU maintains studio facilities located on Douglas Avenue (near I-35/K-15) in southeastern Wichita, and its transmitter is located between St. Francis and South Commerce Streets in downtown Wichita.