Ham Radio-Building a 4:1 Balun.

All you need to know about designing and building a 4:1 Balun for your antenna system.

In this video, Kevin Loughin (KB9RLW) shows us the step-by-step method of building this useful antenna accessory.

Most of the parts for this project can be found in a well-stocked junk box or  by ordering the parts from an online store.

If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=l5rLI8FpM9g.

Here are some comments from Kevin (KB9RLW):

I'm working on an antenna project and needed a 4:1 balun. Believe it or not, I've never built one before. Extremely easy to make. This is a link to my video on winding the common mode choke.    • Ham Radio - The back yard vertical pa...   This is the site of M0PZT who's design I followed. http://www.m0pzt.com/blog/4to1-curren... This is a link where you can purchase the cores I used. https://www.amazon.com/AEcreative-T13... This is a link to type 43 cores mentioned in the video. https://www.ebay.com/itm/Toroid-Core-... If you like my videos, please subscribe here: http://www.youtube.com/user/loughkb?s... If you want me to keep making more videos like this, consider becoming my patron at Patreon:   / kb9rlw   Discuss this and other videos on Facebook:   / kb9rlw  

Chapters

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Intro

0:00

Core material

1:01

Doorbell wire

1:35

Common mode choke

1:53

Why a balun

2:27

Wiring

3:22

Winding

3:35

Center insulator

4:33

Transcript

Follow along using the transcript.

Show transcript

Kevin Loughin

46.3K subscribers

Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).