Wikipedia
KGTF
KGTF is a full-power television station located in Guam transmitting over digital channel 12. The station is operated and funded by the Guam Educational Telecommunications Corporation. KGTF is a PBS member station and its signal covers the entire territory of Guam. Though officially listed as being out of Hagåtña (Agana), the KGTF facilities are actually located in Mangilao, adjacent to Guam Community College. The station's transmission tower is located in the heights of Barrigada.
Unlike most other PBS stations, KGTF offers no subchannels other than the main feed.