Country outlets in Florida, Tennessee and North Carolina are this year's Academy of Country Music radio station of the year award winners. Announced Tuesday (Feb. 24), the winning stations are WSOC/Charlotte, N.C. (major market), WSIX/Nashville (large market), WIVK/Knoxville, Tenn. (medium market) and WYCT/Pensacola, Fla. Lon Helton, host of CMT Country Countdown USA, was named national on-air personality of the year. Other on-air personality winners include the Dorsey Gang, KSCS/Dallas (major market) and J.D. Cannon, WFMS/Indianapolis (large market). The medium market personality award went to WIVK's Andy Ritchie, Alison West and Jimmy Holt, and the small market personality prize was won by WYCT's Brent Lane and Dana Cervantes. The winners were notified by phone by Little Big Town's Kimberly Schlapman and will be acknowledged during the 44th annual ACM Awards show taking place April 5 in Las Vegas.