VSWR measurement of various TASH configurations and
brass boards were initially performed in the laboratory on a small ground plane.
"We call them
brass boards, because it's literally a piece of brass that you layout an initial circuit design on to prove out its function-ality," says Karner.
Selected designs will continue through a critical design review, and contractors will be required to build a small number of
brass boards. Hardware-in-the-loop testing will also be added to the effort under Phase 2.