CHUM 104.5 FM

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In Toronto, Ontario, CHUM FM is a radio station that broadcasts on the designated frequency of 104.5 MHz. The Canadian radio station, which broadcasts a hot adult contemporary format, is owned by Bell Media. While its transmitter is atop the CN Tower, and its studios are in the Entertainment District at 250 Richmond Street West. The station is simultaneously broadcast on Bell Satellite TV channel 990 and Shaw Direct channel 872. According to Numeris’ radio statistics, CHUM FM is consistently one of Toronto’s most listened-to stations. Its sister stations are CHUM, CFRB, CKFM FM, CP24, CFTO DT, and CKVR DT. The station programs list contains entertainment, information, talk shows, latest news, weather updates, lifestyle, music, and traffic reports.

History of CHUM 104.5 FM

On September 1, 1963, CHUM FM began transmitting with an ERP of 18,000 watts. It broadcasts classical music. Their ERP increased to 54,000 watts on March 21, 1966. It approved the relocation of its transmitter and increased power to 100,000 watts for FM in 1968. On July 1, 1968, at midnight, it switched to a progressive rock format, a precursor to the contemporary adult album alternative format, playing various music, from world and jazz to classical and folk. It FM received authorization to use the Eureka-147 system for digital audio broadcasting on May 26, 1998. The CN Tower served as the transmitter’s mounting location, broadcasting at 1456.304 MHz with an ERP of 5,084 watts.

Currently, Streaming for this station is not available.

CHUM 104.5 FM

HD Radio

CHUM-FM began HD Radio’s multi-casting services on July 4, 2017. The HD2 sub-channel provided a simulcast of sister station CFRB (News talk 1010), and the HD3 sub-channel carried a simulcast of CHUM AM. The HD1 sub-channel aired the same programming as the normal analog frequency (TSN Radio 1050). However, the channel stopped airing in HD in the spring of 2018, and the sub-channels shifted to sister station CKFM FM.

Programs of CHUM 104.5 FM

Weekday Shows

Marilyn Denis and Jamar – 2:00 PM to 6:00 PM
Richie Favalaro – 6:00 PM to 10:30 PM
Ashley Greco – 12 PM to 3 PM
Meredith Shaw – 11 AM to 1 PM – Sunday
Ruby Carr – 3:00 AM to 7:00 AM
On Air with Ryan Seacrest – 7:00 AM to TUE 11:00 AM
Aiko – 11:00 PM to 2:00 AM

Weekend Shows

The CHUM CHART TOP 40 – 5:00 PM to 8:00 PM
Weekend Blowout – 7:00 AM to SUN 11:00 AM
AT40 with Ryan Seacrest on CHUM – 2:00 AM to 6:00 AM
Back In The Day Brunch
Taylor Kaye – 6:00 PM to 11:00 PM
Azalea Hart – 10:00 AM to 5:00 PM
Peter Kash – 10:30 PM to 3:00 AM

Contact Details

Address: 299 Queen Street West, Toronto, Ontario M5V 2Z5
Main Line: 416-384-8000
Contest Line: 416-870-1045
Studio: 416-870-1045
SMS: 104536
Official Website:

Consider Listening: 99.9 Virgin Radio Toronto