On February 1 , 1992 , the station changed its call sign to WMQA .
On February 1 , 1992 , the station returned to simulcasting with its FM sister station , which concurrently became WMQA - FM ; the format became adult contemporary music .
On February 1 , 1992 , the station changed its call sign to WMQA and returned to simulcasting with its FM sister station , which concurrently became WMQA - FM ; the format became adult contemporary music .