(TSN Radio 1050). As of Spring 2018, CHUM-FM is no longer broadcasting in HD, with the sub-channels moving to sister station CKFM-FM. See also List of radio stations in Ontario 250 Richmond Street West CHUM (AM) CHUM Chart The Marilyn Denis Show References External links CHUM 104.5 HUM HUM HUM Radio stations established in 1963 1963 establishments in Ontario