AN/TSQ-152 Trackwolf

Trackwolf was a ground-based high frequency (HF) intelligence and emitter location system initiated in 1986 to provide army commanders in Europe with a more robust HF voice communications intercept, collection and emitter system.

The system had two separate interactive subsystems -- a collection and processing system (CPS) and a direction finding system (DFS) -- and was deployed at four sites. The CPS is composed of command-and-control module, a receiving system and collection...