Placing the Bulkhead Ground on the Drill Press platform for work.
Items to the extreme left are constant-drain DC-Continuity to
ground- type lightning arrestors for HF, VHF and APRS systems. The
copper- color box is a HF low-pass filter; the item to the bottom right
an AC filter and the bottom center the Central Ground Lug to connect,
by heavy wire, to the earth ground.
