CKRU-FM, a radio station (100.5 FM) licensed to Peterborough, Ontario, Canada, which held the call sign CHEX from 1942 to 1992
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CKWF-FM, a radio station (101.5 FM) licensed to Peterborough, Ontario, Canada, which held the call sign CHEX-FM from 1947 to 1976
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CHEX-TV-2, a television station (channel 22) licensed to Oshawa, Ontario, Canada
Despite serving part of the Greater Toronto Area, as an Oshawa-licensed station, CHEX-TV-2 was not required to participate in the August 31, 2011 digital switch for major markets, and thus is now the last remaining analogue television signal still operating in the GTA.