HFAC Scope
Because the HF Antenna Coupler will be a proof-of-concept for the SINCGARS radio integration, the HFAC team is to design it with industry-specific concerns in mind, such as performance, size, weight, power, supportability, reliability, and cost.

Above is a Block Diagram of the HFAC Project
HFAC Application

Above is a picture of the HFAC circuitry.