and on Shaw Direct channel 867. The station is also carried on the 3rd HD digital subchannelof CKFM-FM.

Station history

CHUM AM has been broadcasting continuously since 1945, through a variety of format changes. The station's history can be broken into eight distinct eras, as follows:

The "full service" era: 1945-1957

CHUM was founded by York Broadcasters Limited

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