 In May 2001, 104.1 changed callsigns to KTDK and converted to a full-time simulcast of KTCK for the northern portion of the Metroplex.This arrangement would continue for the remaining 12 years of 104.1's operation, even after Susquehanna Radio's merger with Cumulus Media in 2005 and Cumulus' acquisition of Citadel Broadcasting in 2011.In 2013, Cumulus announced that it inked a local marketing agreement with Disney's KESN ESPN 103.3.