Antenna Element Brackets

thingiverse

Just a simple one folks, but could be handy. These brackets will adapt a 20mm Boom with as many elements as you like. There is an adapter for the director and reflector Elements and an adapter for the driven Element. These elements are 10mm diameter. The example photo I have provided shows a not very successful digital TV antenna I designed with the aid of software on the web (ie enter frequency and it spits out the dimensions). However, I neglected to read the fine print and the dimensions of the tubes I used were too big for the frequency of digital television (eg 633MHz). The boom could have been 10mm and the elements should have been more like 2-4mm rods. It shows the general idea. If you are building a bigger antenna, the current dimensions should be okay. Don't attempt something too big, after all we're talking about printed plastic here! I found the easiest way to mount the elements on the boom was to use 3mm stainless bolts and tap a thread into the aluminum boom.