The Mechanical Construction
There are a lot of builds online with different sources for material. Unfortunately, a lot of the referenced shops are already offline or do not sell the specific item anymore. This is where 3D-printing can help a lot…
The Coaxial Cable
As the coaxial cable shielding is often made from aluminum, soldering is typically impossible. Therefore I used some 1.5mm² installation cable with solid core to produce smaller copper rings that in the end can be soldered. The process is illustrated in the pictures below.
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Kabel-Schritt1-1024x683.jpg)
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Kabel-Schritt2-1024x683.jpg)
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Kabel-Schritt3-1024x1024.jpg)
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Kabel-Schritt4-1024x1024.jpg)
The Dipole Mount
For the dipole, I designed a mount that is as small as possible. I expect that the resonance frequency is reduced a bit by the length of the aluminum tube covered in PETG. In the pictures below, I mounted the old dipole as an exercise for drilling. To minimize the material and space requirements, I cut an M3 thread directly into the dipole tube. Time will tell if that is stable enough.
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Dipolhalter_Druck-1024x683.jpg)
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Dipolhalter-1024x683.jpg)
The Plug
The N-type plug will be mounted below the boom and also has it’s own custom designed housing. In the right picture, I tried to build the connection as symmetrical as possible with the copper rings as shown above.
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Steckerhalter_Druck-1024x683.jpg)
![](https://www.dc6gf.de/blog/wp-content/uploads/2023/11/Steckerhalter-1024x1024.jpg)
The Element Mounts
Nothing to see here. Currently I just use the mounts available at the typical stores. In the future, I will be testing element holders very similar to my 3D-printed dipole holder. As this will have an influence on the elements’ electrical length, some investigation will be necessary.