Armstrong (Toronto Raptors analyst) Home of CHUM AM CHUM has had several homes since 1945: 21 Dundas Square (1945-1947) - top floor of Hermant Building c. 1914 and now part of HNR Tower 225 Mutual Street (1947-1954) - later RCA-Victor Records recording studio and demolished 2010 250 Adelaide Street West (1954-1959) - now occupied by Adelaide Hall, Rock'n'Horse Saloon, and The Porch. 1331 Yonge Street (1959-2009) - sold to Aspen Ridge to develop site as The Jack condo development 250 Richmond Street West (2009–present) - home to Bell Media Radio and CHUM-FM. Built in 1924 as addition to 260 Richmond Street West 9 Channel Nine Court (2010–present) - longtime home of CFTO-DT and TSN. Equipped for simultaneous television broadcasts of radio programs. References External links CHUM history - Canadian Communications Foundation HUM HUM Radio stations established in 1944 HUM Sport in Toronto 1944 establishments in Ontario