originally owned and operated by island broadcasting, inc., ktgm was purchased by sorensen media group (then owner of five radio stations on guam and saipan, and now additionally three tv stations) in november 2005. soon after, it moved its cable channel position from 14 to 7, hence the current station branding. in 2009, sorensen moved the station's facilities, along with its sister stations, from barrigada heights to hagåtña.