Balun Videos


Winding a 1:4 Balun with 8 turns

This video shows how to wind a T-130-2 toroid with two sets of 18 gauge solid copper wire. Each side of toroid has 8 turns. This balun has a SWR of 1.5 on 10m and 20m.

Winding a 1:4 Balun with 15 turns

This video shows how to wind a T-130-2 toroid with two sets of 18 gauge solid copper wire. Each side of toroid has 15 turns. This balun has a SWR of 1.1 on 40m and 80m.