CKMH-FM is a Canadian radio station that broadcasts an active rock format at 105.3 FM in Medicine Hat, Alberta. The station is branded as 105.3 Rock and is currently owned by Rogers Sports & Media. The station was licensed by the Canadian Radio-television and Telecommunications Commission in 2007. After beginning on-air testing on January 29, 2008, CKMH signed on February 25, 2008 at 1:05 PM.