Originally broadcasting on 103.1 MHz when it went on the air on November 15, 1987, Decision CRTC 87-189 the station was forced to move to 103.3 MHz in 1996 Decision CRTC 96-38 after CKOD-FM in Salaberry-de-Valleyfield, about 60 kilometers west, moved to 103.1 MHz during the preceding year.