Understanding key radio propagation concepts
Radio propagation is the behavior of radio waves as they travel from one point to another.
2026-02-15
2026
DX bands explained
From Top Band to UHF, and with propagation defining everything, amateur radio is not just about transmitting , it’s about...
2026-02-15
Python: The Documentary
Seventeen years ago, I was sick and tired of Java and its false promises, not just the language itself, but...
2026-02-14
Insider abuse: the hardest problem DX clusters never solved
This post is the continuation of another titled RCLDX: why DX clusters must evolve beyond Telnet. For many years, discussions...
2026-01-18
RCLDX: why DX clusters must evolve beyond Telnet
DX clusters have been part of amateur radio culture for decades. They work, they are familiar, and they helped shape...
2026-01-01
2025
How to read solar data for radio propagation [English version]
[ Este artículo está también disponible en Español ] When you look at a solar-terrestrial report, you’ll likely come across...
2025-06-18
Interpretando los datos solares en la propagación [Spanish version]
[ This article is also available in English ] Cuando miras un parte solar-terrestre, seguramente te topas con diversos valores...
2025-06-18
Choke balun 1:1 (current) for HF ham radio: Why they matter & how to build one
Installing an HF antenna, whether it’s a dipole, vertical, or any other design, always exposes you to a challenge: unwanted...
2025-06-04
Banned on QRZ.com: Ethic?
Many colleagues have asked on the air why I no longer appear on QRZ.com. I have usually replied that I was unilaterally banned, without having done anything noteworthy. But here is the full story.
2025-06-02
KOSS SB45 audio setup to IC-705
Icom IC-705 alows distinct setups for RX and TX on SSB, FM and other modes. When you connect a new headset with microphone, like in my case the KOSS SB-45, it’s interesting to adjust the audio setup. Here are my details.
2025-05-18
