It can be heard at city-grade strength from Red Deer to Lethbridge, and provides secondary coverage as far as Edmonton to the north and several counties on the Montana-Alberta border to the south.

[3] Prior to CBX's debut, private station CFAC had aired CBC Radio programming.

While listeners in Edmonton received a good signal from 1010 AM, reception of CBX in Calgary was poor.

[8] On March 16, 2006, the Canadian Radio-television and Telecommunications Commission (CRTC) approved an application by the station to implement a new, nested FM transmitter in Calgary.

On December 19, 2008, the licensee proposed to use a subsidiary communications authority (SCA) channel to broadcast multi-cultural programs.

[11] On July 7, 2011, the CRTC approved an application by the CBC to relocate CBR's transmitter and antenna array from their original site in southeast Calgary.

[17] On April 30, 2015, the CBC submitted an application to add a new FM transmitter at 103.9 MHz in Lake Louise with the call sign CBRQ-FM.