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.
Ultimate DIY Tri-Band 80M, 40M and 30M Trapped Delta Loop Antenna
Build a triband delta loop antenna for 80M, 40M & 30M. This trapped delta loop antenna guide covers traps, matching section & construction details
The OSJ Dual-Band Antenna: An Elegant Amateur Radio antenna in a Compact Package
Unlock dual-band performance with the Open Stub J-Pole. This comprehensive guide details how to construct a 2m/70cm antenna using a single feedline. By following precise dimensions for the 146 cm, 48.9 cm, and 15.9 cm rods, hams can build a durable, high-gain vertical dipole perfect for home or field use.
Receive DRM with HDSDR and DREAM Decoder Using RTL-SDR
This guide explains DRM basics, SDR devices, and a complete working setup using HDSDR and DREAM. Build a DRM receiver step by step while learning how digital radio works on SDR platforms.
Building Your Own Folded Beverage Antenna for HF Bands
Discover the secrets of the Beverage antenna. We explain how to match 450-ohm impedance to your coax and how to build a termination load that survives accidental 100W transmissions.
Build a High-Precision DIY RF Current Sniffer
Tired of “RF in the shack”? This detailed guide walks you through building a DIY RF Current Sniffer using LED and Meter indicators to troubleshoot your coax cables.
DIY Double Dipole Antenna for 50 MHz Band
This 6 meter antenna gives you strong, stable performance with a simple build. It covers a wide range, holds a good match, and behaves like a compact directional array.
Small Magnetic Loop: A Guide to the Foldable 40m-17m Stealth Antenna
Struggling with limited space or high local noise? The Magnetic Loop antenna is the ultimate “stealth” solution for hams. We dive deep into the PA0WIT design, featuring a 1/5 ratio Faraday loop for a perfect 1.1 SWR and peak performance from 7MHz to 18MHz.
Super Mini Loop Antenna: A Compact Multi-Band HF Performer
The W8JI Super Mini Loop antenna is a compact full-wave loop design that delivers multi-band HF performance. Learn how it works, why it’s efficient, and how to build and optimize it for your stati
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.

