Positioned the doubler and match drilled all of the holes. Centered the 9/16" hole by using a washer with the same outside diameter and a small inside hole. Lined up real well. Removed doubler and deburred holes. (step 1)
Riveted doubler to bottom left skin. (step 2)
Installed antenna with called out hardware and torqued nuts to 20 inch-pounds. (step 4)
Connected coax to antenna, positioned the coax so it would not interefer with the rudder cable, then secured coax to F-1208 frame with tie wraps. (step 5)
