- Homemade AZ/EL Antenna Rotator for Ham Radio Satellites, Part 1: Hardware Build
- How Far Can a 1000-Meter-High UV Band Antenna Communicate?
- A Current Choke Balun with a 3D Printed Housing
- A Ground-Elevated Vertical Based on 5.6m Whip — Improved
- A 50-ohm Full-Wave Loop for 2m Band
- Setting Up a CW Skimmer Server by a Hermes-Lite2 SDR
Amateur Radio Gallery
Snapshots from our latest tech experiments and DIY tutorials.
Homemade AZ/EL Antenna Rotator for Ham Radio Satellites, Part 1: Hardware Build
Introduction I got my first ham radio license in 2000, but it was 24 years…
How Far Can a 1000-Meter-High UV Band Antenna Communicate?
Overview Have you ever wondered how far a UV band antenna could reach if it…
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…