The stations were purchased by the Sifton family, owners of the Regina Leader-Post and CKCK Radio in 1940, and CJRM became CKRM.

The move gave CKRM access to the second-most powerful transmitting facility in Saskatchewan, and one of the largest coverage areas in North America.

Due to its low AM frequency, transmitter power, and Saskatchewan's flat land (with near-perfect ground conductivity), CKRM's daytime signal covers most of Saskatchewan's densely populated area, as well as parts of North Dakota and Montana.

[5] CKRM changed hands a number of times before its acquisition by Regina's Hill family, then-owners of CKCK-TV in 1981, under the Harvard Broadcasting banner.

CKRM is the flagship radio station of the Regina Pats of the WHL,[6] and the Saskatchewan Roughriders of the Canadian Football League.