Drilled pilot holes in a bracket for the left comm antenna. Drilled bracket to skin in left outboard bay aft of the spar. Drilled the bracket to the skin with #40 bit. These holes will be dimpled. Drilled the center hole for the BNC connector up to 1/2'' with the Unibit. The BNC connector is positioned 6'' aft of the flange. Drilled the antenna screw holes up to #19. Deburred all holes.
