A hamfest find! In this video we try to see what the heck it does and see if it has any application to my shack! It is one component of a very large system. The AN/TSQ-164 is part of a military SIGINT (signals intelligence) system called Dragonfix. From the internet, "DRAGONFIX is a FORSCOM, NDI "GO TO WAR" system that performs high frequency direction finding, intercept and collection. DRAGONFIX system is designed to automatically detect and permit intercept, analysis and reporting of emitter operating in .5-30 megahertz range by means of azimuth triangulation. DRAGONFIX is composed of three sets of shelters, each set consisting of two S-250 shelters (direction finder (DF) collection and analysis communications). Each shelter has two operators. The operators
receive taskings. The sheltered equipment detects, collects, and determines azimuth and evaluates angle of target signals; determines height of ionosphere; calculates location, and prepares/issues reports."
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