WKDC Also known as "POWER"(107.9 FM) is an American radio station broadcasting an urban contemporary radio format, that serves the greater Washington, D.C. metropolitan area. The station broadcasts from a class B signal with an effective radiated power of 50,500 watts (50.5 kilowatts(kW) on 107.9 MHz frequency. WKDC has a city of license of Washington, D.C., and is owned by Urban Media Networks. Its studios located in Silver Spring, Maryland.