 The AC format stayed on AM 1310 until 1997, when it began simulcasting 107.5.In addition, 1310 changed its call letters to KXTN, while 107.5 simply added an "-FM" suffix, becoming KXTN-FM.In 2003, Univision, which owns scores of radio and TV stations in some of the largest Hispanic media markets, bought KXTN-AM-FM.