The US Department of Defense (DOD) employs a number of networks in the HF spectrum, each with it's own specific purpose and users. Since the introduction of the HFGCS (formerly GHFS) many of these networks have been incorporated in the main US system - HFGCS.

HIGH FREQUENCY GLOBAL COMMUNICATION SYSTEM (HFGCS)

NASA

 

CURRENTLY BEING RESEARCHED:

HF DCS entry - Provides HF communications services for tactical units in areas of the world where DCS connectivity is unavailable or insufficient.

SITFAA - A Spanish/English/Portuguese language network supporting North, Central, and South American Air Force users in 18 countries. Provides voice and data HF links.

Western Space and Missile Centre HF Network (WSMC)

 

REDUNDANT NETWORKS OR PAGES CONTAINING UNVARIFIED / OUTDATED INFORMATION:

SOC

MYSTIC STAR

MILSATCOM  

NATO BOOKSHELF NETWORK

NIGHTWATCH