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Building UHF Antennas

Published in QST magazine (August 2006).

This method of construction can be used on most UHF through "low" microwave Yagis, and is especially useful for the 33, 23 and 13 cm bands; These antennas were made with this process, and tested on this back-yard antenna range.

I like to use the basic DL6WU wideband Yagi designs whenever possible. A good design tool for this is the Yagi calculator written by VK5DJ. Here's how to make one using basic hand tools and readily available materials.

click any of the thumbnails below for enlargements and explanations
Start with a Plan

Parasitic Elements

Prepare the Boom for marking

Mark and Drill the Boom

Attach the Elements to the Boom

Final Alignment of the Elements

Driven Element Parts

Making the Driven Element

Weatherproofing

 

Finishing Up