KGUM-FM (105.1 FM) is a radio station licensed to Hagåtña, a village in the United States territory of Guam. Owned by Sorensen Media Group, the station broadcasts a Hot adult contemporary format branded as 105 The Kat. From 1999 through 2007, the station broadcast an active rock format as The Rock. In 2007, the station flipped to classic hits as The Kat. In 2016, the station switched to its current format.