KTGX's Gaither To Leave: iHeartMedia KTGX/Tulsa & KTST/Oklahoma City APD/MD/afternoon personality Houston Gaither is leaving for a soon-to-be-announced opportunity in Nashville. See him announce his farewell to listeners here. He joined KTGX in 2016 (CAT 2/2/16) after two years at crosstown Cox KWEN. Gaither picked up KTST duties in 2020 amid companywide downsizing. Reach him here through Thursday (5/20). No word from KTGX & KTST PD Karla Cantrell regarding plans for Gaither’s successor.