operated by Sovereign Communications since 2003, and is part of Sovereign's 7-station cluster in the Sault Ste. Marie and Newberry market (see Infobox).

Broadcasting since June 25, 1940, WSOO is the first radio station to broadcast in the Sault Ste. Marie, Michigan radio market, and was only preceded in the region by the now-closed Sault Ste. Marie, Ontario AM station CFYN