The Half Square Antenna: Low-Profile DX Wire for HF Bands

Antenna DIY HF

The Half Square has been quietly delivering low-angle DX gain to operators who know about…

Every vessel larger than 300 gross tons is legally required to broadcast its identity, position,…

Welcome to Issue #007 of Radio Waves Weekly! This week: 3Y0K is finally on the…

On the day Israel and the United States launched their first strikes against Iran, a…

It took just one night — February 16, 2026, 22:47 UTC — for a small…

Antenna DIY HF Tools

If you are running a multiband doublet or any antenna with a tuner, ladder line…

Welcome to Issue #006 of Radio Waves Weekly! This week: an Arduino that transmits clean SSB…

Antenna DIY HF

A simple length of wire can unlock nearly the entire HF spectrum—and that’s exactly what…

In February 2026, amateur radio gained its fastest weak-signal digital mode — and immediately fractured…

Discover the science behind Sporadic E propagation — the ionospheric phenomenon that lets FM radio…