WCKX (107.5 FM, "Power 107.5") is a radio station broadcasting an Rhythmic contemporary format with a heavy but hit-driven emphasis on current R&B/Hip-Hop product. The station is licensed to and serves the Columbus, Ohio metropolitan area. It first began broadcasting in 1993 under the call sign WJZA. The station is currently owned by Radio One, and highly influenced by the BlackPlanet social networking site. The station serves as the sister station to WXMG.