WISS (1100 kHz AM) or Oshkosh Air Support is an American radio station broadcasting a progressive talk format featuring local news and information as well as statewide programming originating from the Civic Media network. It is licensed to Berlin, Wisconsin, United States, and serves central Wisconsin and the Fox Valley. It used to operate at 1090 kHz. The station is owned by Civic Media LLC, which acquired the station in 2022. On May 5, 2011, WISS replaced classic hits with news/talk introducing themselves as a Fox News Radio station.