The original WSAJ AM station was low-powered and was only permitted to broadcast a few hours per week. Thus, in 1968 an FM sister, WSAJ-FM, was established, initially on 89.5 MHz, and later moving to 91.1 MHz during the 1990s.
The original WSAJ AM station's restricted broadcasting schedule led to the creation of an FM sister station, WSAJ-FM, which was launched in 1968 and initially aired on 89.5 MHz before relocating to 91.1 MHz in the 1990s.