WISN (1130 kHz) is an AM Conservative Talk station in Milwaukee, Wisconsin. It is owned by iHeartMedia, Inc., and is the home of local afternoon radio host Mark Belling. Its studios are located on Howard Avenue in the Milwaukee suburb of Greenfield and its nine-tower antenna is located at 21423 Bennett Road in Dover. WISN operates at the maximum power for AM stations of 50,000 watts in the daytime and reduces power to 10,000 watts at night, when it must protect other stations on the 1130 kHz frequency. WISN can also be heard on the HD 2 channel of its FM sister station 97.3 WRNW.