Amateur Radio Gallery
Snapshots from our latest tech experiments and DIY tutorials.






A Current Choke Balun with a 3D Printed Housing
Overview: A vertical antenna is an unbalanced antenna, but it may still need a common…
A Ground-Elevated Vertical Based on 5.6m Whip — Improved
Overview Days ago, I built a ground elevated vertical based on a 5.6m whip for…
A 50-ohm Full-Wave Loop for 2m Band
The full-wave loop antenna stands as a fascinating and effective alternative to the ubiquitous dipole,…
Setting Up a CW Skimmer Server by a Hermes-Lite2 SDR
As the CQWW CW draws near, I would like to see how the HF propagation…
A digiPi APRS Unit Based on a digiPi HAT
digiPi is a software system that is based on Linux for amateur radio digital communications….
A Ground-Elevated 5.6m Whip Vertical Antenna: Build Guide
When doing POTA or SOTA activations, I prefer the vertical antennas. That says I don’t…





