Brief Description: transponder antenna doubler and antenna install
1. Marked the peremiter of the doubler for dash 3 rivits and then spaced and punched the hole locations. Drilled them #40. Also marked the two antenna mounting holes as well as the coax hole 3/16 and 11/16. 2. Match drilled to the belly skin on the right side in under foot well in similar location as the comm antenna on the left side. 3. dimpled the doubler and the belly skin 4. rivit the doubler in place with and426ad3-3.5 rivits 5. mounted the antenna with supplied hardware. Will most likely add some rtv sealant around the antenna base to keep out moisture at a later date
Belly skin drilled and dimpled. Note the primer remed around screw holes
Doubler rivited in place. See where paint removed from surface mounting holes to allow good contact?