What is "chmj"

CHMJ (identified on air as AM 730) is a Canadian radio station in the Metro Vancouver region of British Columbia currently owned by Corus Entertainment. It broadcasts on 730 kHz, with a power of 50,000 watts from a transmitter in Delta. Studios are located in the TD Tower in Downtown Vancouver. CKAC in Montreal, Quebec is the dominant Class A Canadian station on 730 AM.