CFTR (AM)
CFTR, broadcasting under the brand 680News, is an all-news radio station based in Toronto, Ontario, Canada, which broadcasts live 24 hours a day, 7 days a week at 680 kHz on the AM dial. According to a recent survey by the Bureau of Broadcast Measurement (BBM), 680News is one of the most-listened-to AM radio stations in North America, with daily cume of 768,100 listeners for the period of May 30, 2011 - August 28, 2011.
Read more about CFTR (AM): History of CFTR, Branding, Hour Newswheel