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.

Checking the SWR of the LDG 4:1 Balun

This video shows how I checked the SWR of the LDG RBA 4:1 Balun using the MFJ-269 SWR Analyzer

RF Choke

This video shows how I wound a 3/4" PVC pipe with a 1 wavelength of RG58 coax cable to make a 1:1 RF choke.