Build Your Own Indoor Antenna for 7 MHz HF Band

Build Your Own Indoor Antenna for 7 MHz HF Band: Discover how to build a compact indoor antenna for 7 MHz using a simple coil-based design. Ideal for amateur radio operators with space constraints

Practical guide to receiving HF weather fax WEFAX / Radiofax

Practical guide to receiving HF weather fax WEFAX / Radiofax: Learn how to receive HF Weather Fax (WEFAX) images using SDR or shortwave radios. Step-by-step guide for radio amateurs with frequencies, software tools,

Baofeng UV-5R Mini: Compact Dual-Band Powerhouse

Baofeng UV-5R Mini: Compact Dual-Band Powerhouse: A technical review of the Baofeng UV-5R Mini. 5W output, Bluetooth programming, and "FT2" digital mode experiment. Is it the new speed king of ultra-portables?

Setting Up SSTV with HF SSB Transceivers: A Comprehensive Guide

Setting Up SSTV with HF SSB Transceivers: A Comprehensive Guide: Master SSTV setup with uBITX/sBITX transceivers. Audio interfacing, PTT control, software config, troubleshooting. MMSSTV, QSSTV guides included.

UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide

UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide: Detailed guide to building UR0GT Broadband Avia Antenna modified by RW4HVN. Covers dimensions, design principles, SWR performance, construction details

Radio Waves Weekly — Issue #003

Radio Waves Weekly — Issue #003: 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

Getting Started with FreeDV: A Beginner’s Guide to Digital Voice on Amateur Radio

Getting Started with FreeDV: A Beginner’s Guide to Digital Voice on Amateur Radio: Learn FreeDV digital voice for amateur radio. Beginner's guide covers setup, equipment, modes, and making your first contact using open-source software.

If you’re an amateur radio operator looking to explore digital voice modes beyond the usual FM repeaters, FreeDV offers an exciting opportunity to experiment with open-source digital communication. This guide will help you understand what FreeDV is, why it matters, and how to get started with this fascinating mode.