 It broadcasts on 89.1 MHz with an effective radiated power of 1,495 watts (class A) using an omnidirectional antenna, broadcasting from Edifice Marie-Guyart in downtown Quebec City.CKRL-FM began broadcasting on February 15, 1973 at 5 p.m. and was originally a campus radio station for the Université Laval; this situation ceased in 1984, although the name of the corporation remained "Campus Laval FM inc." for many years thereafter.94.3 CHYZ-FM became the new campus radio station of that university in 1997.