The High Frequency Global Communications System (HFGCS) is a network of single sideband shortwave transmitters of the United States Air Force which is used to communicate with aircraft in flight, ground stations and some United States Navy surface assets. All worldwide receiving and transmitting sites in the HFGCS system are remotely controlled from Andrews Air Force Base and Grand Forks Air Force Base. Before 1 October 2002 it was known as the Global High Frequency System (GHFS).
The primary HFGCS voice frequencies are 4724.0 kHz, 8992.0 kHz, 11175.0 kHz, and 15016.0 kHz all USB (Upper Sideband). In addition to the HFGCS, U.S. aircraft frequently use Military Auxiliary Radio System (MARS) HF stations (13927.0 kHz) and Canadian Forces HF stations (11232.0 kHz) to relay messages. Various other discrete frequencies are available, and used, as part of the HFGCS network and are not listed here.
Stations of the HFGCS Network
Andersen Global, Andersen Air Force Base, Guam, USA
Andrews Global, Andrews Air Force Base, Maryland, USA
Ascension Global, RAF Ascension Island/Ascension Auxiliary Field, Ascension Island, British Overseas Territories
Croughton Global, RAF Croughton, United Kingdom
Diego Garcia Global, U.S. Naval Support Facility Diego Garcia, British Indian Ocean Territory
Elmendorf Global, Elmendorf Air Force Base, Alaska, USA
Hickam Global, Joint Base Pearl Harbor–Hickam (Hickam Air Force Base), Hawaii, USA
Lajes Global, Lajes Field, Azores, Portugal
Lincoln Receiver Site (aka West Coast Global), Beale Air Force Base, California, USA
Offutt Global, Offutt Air Force Base, Nebraska, USA
Puerto Rico Global, Salinas, Puerto Rico, USA
Sigonella Global, U.S. Naval Air Station Sigonella, Sicily, Italy
Yokota Global, Yokota Air Base, Japan
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Published on: 2024-10-25 (21 reads)