Welcome to Radio Waves Weekly — Issue #013! TX9W went on the air from the Marquesas this weekend — pile-ups are open and 15m conditions are co-operating. Yesterday, April 18, marked World Amateur Radio Day, observed every year on the anniversary of the IARU’s founding in Paris. The Pebble HF is the most talked-about QRP kit of the spring. BrowSDR turns any browser into a full SDR receiver. A homebrew FRI-Match tuner, a proven four-band half-loop, and a live DX-cluster display on a ₹800 ESP32 board round out this week’s ten.
News
Radio Waves Weekly — Issue #012
Welcome to Issue #012 of Radio Waves Weekly! This week the JIDX CW contest is running right now — one of the best chances all year to fill your log with Japanese prefectures. Sporadic E season is knocking at the door, the 10-metre band is wide open, and MeshCore is quietly becoming the off-grid mesh network that actually works at scale.
Radio Waves Weekly — Issue #011
Radio Waves Weekly — Issue #011 focuses on hands‑on amateur radio. Inside you will find a BBC call‑out for historic shortwave recordings, simple HF preselectors, DSP and CW audio filter projects, and several practical multiband antenna ideas from active operators and bloggers.
Radio Waves Weekly — Issue #010
Welcome to Issue #010 of Radio Waves Weekly! A landmark tenth issue, and the news matches the milestone. KP5/NP3VI has just gone QRT from Desecheo Island after 104,000 QSOs on solar power alone — a first in DXpedition history. TX9W heads to the Marquesas in three weeks. WSJT-X Improved 3.1.0 brings FT2 into the open-source world. iDigi 2.2.2 puts eight digital modes into one native macOS app. SP DX Contest opens Saturday, POTA Spring Weekend is April 18-19, and two unusual wire antennas from vu3dxr.in await your weekend.
Radio Waves Weekly — Issue #009
Welcome to Issue #009 of Radio Waves Weekly! This week: CY0S has touched down on Sable Island — North Atlantic rare DX on the air right now.
Radio Waves Weekly — Issue #008
Welcome to Issue #008 of Radio Waves Weekly! This week: KrakenRF launched its plug-and-play antenna rotator on Crowd Supply just two days ago, two M.2-sized SDRs are open for orders, and a portable far-field antenna measurement system is heading to crowdfunding. Plus two wire antenna builds for this weekend, a $59 all-analog kit from VU2ESE, budget kits for new builders, CQ WPX SSB coming in two weeks, and three practical tools you should have bookmarked before Sporadic E season begins.
Radio Waves Weekly — Issue #007
Welcome to Issue #007 of Radio Waves Weekly! This week: 3Y0K is finally on the air from Bouvet Island — the most remote uninhabited island on Earth — and the pile-ups are epic. The Rebel DX Group is next up with a Kanton Island activation starting March 25. Plus a pocket-sized Indian SDR that does FT8 without a computer, the freshest QRP Labs kit, two wire antennas you can build this weekend, and a handful of contests and events to fill your log before spring.
V32: The Mystery Spy Radio Station Broadcasting in Farsi — and Nobody Knows Who’s Running It
On the day Israel and the United States launched their first strikes against Iran, a mysterious shortwave radio station flickered to life on 7910 kHz. It hasn’t gone silent since. Broadcasting streams of numbers in Farsi — a Cold War spy radio technique that was thought to be fading from use — the signal has now been logged from Europe to North America. Radio amateurs have given it a name: V32
Radio Waves Weekly — Issue #006
Welcome to Issue #006 of Radio Waves Weekly! This week: an Arduino that transmits clean SSB with 8 components, an open-hardware SDR transceiver with PureSignal TX, a garden fence turned into a stealth HF antenna, and a broadband V wire that covers every HF band without a tuner.
The FT2 Schism: When a New Digital Mode Split in Two
In February 2026, amateur radio gained its fastest weak-signal digital mode — and immediately fractured it. FT2 promised ~4-second QSOs and contest-level throughput, but within days of its first on-air tests it split into two incompatible implementations. Here’s the full story of the “FT2 war,” why it happened, and what it means for HF operators everywhere.

