QRP 5 Watt Antenna Tuner

Build-A-Thon

August 2, 2025 at 9:00am at the Ham Radio Outlet Milwaukee Classroom

Here is a link to the unit: https://www.aliexpress.us/item/3256805415394015.html?gatewayAdapt=glo2usa4itemAdapt

Make sure to select “DIY KIT”; otherwise, you will be ordering the completed project. >That’s no fun!<

The tools needed for this project are:
Pliers, Flush cutter, Small Screwdriver, Rosin core solder.

This will be a fun project for us to make. The registration form is below. If you’re into the nitty gritty details, schematics of the project and a nice tutorial (in Chinese – use translate) for winding the toroid are available here on github.

Full name *

Call sign *

email address *

Project Name *

Comments or Questions?

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