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
2025
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
Portable operation primer
These are all ham radio (amateur radio) programs and activities that involve portable or special-location radio operations. Each has a unique focus, and operators participating in these programs often receive awards or recognition for their efforts.
2025-02-25
My POTA antenna setups
I tried to make a quick resume of my research, that follows now. Please, be indulgent if you already tried this with better success than me, and share your knowledge if you want to. Thank you.
2025-02-02
2024
Tuning the JPC-12
The JPC-12 (also known as PAC-12) is a portable HF vertical antenna that features a very handy set of parts that assemble quickly and that is able to cover, officially, 40m through 6m, but, unofficially, 60 and 80m as well
2024-07-15
Why I left Brandmeister initiative
In summary, Brandmeister’s direction was never clearly defined, IMHO. Over time, I grew increasingly frustrated with the inflexibility of a few individuals and the constant, often unreasonable demands from others.
2024-04-04
NanoVNA quick intro
Ham radio hobbyists, as the former term indicate, have been all over the time great technicians, but with exceptions, never...
2024-01-01
