1. Disassemble cab.
2. Remove radio board and remove the antenna boss completely.
3. Clean up the excess solder.
4. Cut a wire (solid or stranded, around 20 to 18 gauge, 9 1/4. long.
5. Strip the end about 1/4..
6. Solder this end to the MIDDLE trace of the boss (black in photo).
7. Drill holes to fit the wire in the stiffener tabs along the side of the cab back.
8. Feed the wire down through the holes then button up the cab.
9. That.s it. Test it and see how it works for you.