 On January 24, 2014, WUMY rebranded its station from "Y 105.5" by adding another translator as "Big Country 105.5/100.1".On November 30, 2017, WUMY swapped call signs with sister station WGUE and took on the "Guess FM" classic hits format that had been on that frequency.While on 1180, Guess FM was associated with three translators, adding W257CY on 99.3 MHz.