DIY Antennas, QRP, SDR & Ham Radio Projects from VU3DXR
Explore the Radio Waves Weekly archive. A curated collection of the latest developments in SDR, HF propagation, and radio gear reviews for the global ham radio community
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 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.
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.
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.
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.
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.
Welcome to the fifth edition of Radio Waves Weekly! This week’s digest brings you fresh developments from the SDR world — including a networked receiver making waves at Hamcation — alongside exciting digital mode innovations, a new real-time DX spotting platform, citizen science workshops, rare DXpeditions, and a community effort to keep a beloved ham radio clock ticking.
This week brings exciting developments in Reverse Beacon Network technology, groundbreaking antenna innovations, and major updates from the world of SDR. From new digital mode capabilities to citizen science initiatives, there’s something for every ham radio enthusiast.
Sunday, February 08, 2026 Welcome to the third edition of our weekly digest! We are tracking the peak of Solar Cycle 25 and highlighting some incredible local and global engineering projects. 🔝 Top Links of the Week 1. ARRL Becomes Supporting Partner for America250 The ARRL has officially joined “America250” to celebrate the 250th anniversary […]
Sunday, February 01, 2026 Welcome to Issue #002! This week is packed with massive breakthroughs in open-source SDR, “Make in India” military radio news, and some very clever DIY projects for your weekend shack time. 🔝 Top Links of the Week Open.Space: Open Source SDR Phased Array for Moon Bouncing This is a game-changer. An […]