KDHX is a commercial radio station licensed to St. Louis, Missouri. The station is owned by Louis Eckelkamp, through licensee East Central Broadcasting, LLC, and operated by Ellis Media & Broadcasting. It simulcasts a conservative talk format with co-owned KRTK. The studios and offices are on Hampton Avenue in St. Louis. The AM transmitter is located near the Interstate 255/Illinois Route 255/Interstate 270 intersection in Pontoon Beach, Illinois.