Wikipedia
CBLT-DT, virtual channel 5 ( UHF digital channel 20), is the flagship station of the English language service of CBC Television located in Toronto, Ontario, Canada. The station is owned by the Canadian Broadcasting Corporation, as part of a twinstick with Ici Radio-Canada Télé owned-and-operated station CBLFT-DT (channel 25), which is operated through corporate subsidiary Société Radio-Canada.
CBLT-DT maintains studio facilities based at the Canadian Broadcasting Centre on Front Street West in downtown Toronto, which it shares with national cable news channel CBC News Network and also houses the studios for most of CBC's news and entertainment programs; CBLT maintains transmitter facilities located atop the CN Tower in downtown Toronto. On cable, the station is available on Rogers Cable channels 6 and 127, and in high definition on digital channel 514.