Mini Radio Firmware V3 enhances ATS-Mini DSP receivers with built-in RTTY and CW decoding plus EiBi schedule integration, enabling direct shortwave text decoding and smarter station tuning without external software.
Articles
Explore a comprehensive collection of technical articles and DIY guides on amateur radio at vu3dxr.in. This category features expert insights into antenna design, SDR, and practical electronics. Whether you’re a seasoned ham or a beginner, discover step-by-step tutorials and projects to enhance your radio communication and technical skills.
sBitx v3: The Linux SDR That Refuses to Be Boring
Explore the sBitx v3 — an open-source Linux SDR transceiver merging computer and HF radio, enabling portable digital operation without a laptop
MagSafe Breadboard Turns the iPhone into a Portable Electronics Prototyping Lab
MagSafe Breadboard is an innovative concept that attaches to an iPhone and turns it into a portable prototyping lab. Ideal for learning and DIY electronics
ZBitx: The Pocket SDR That’s Redefining Portable QRP
ZBITX is an ultra-portable 5 W all-band HF SDR transceiver with built-in FT8, CW, and digital modes powered by Raspberry Pi. Pocket-sized QRP radio for POTA/SOTA field operation without a laptop.
Nextion Emulator for CEC Firmware — Alpha1 Release Brings uBITX Simulation to Desktop
The Alpha 1 release of the Nextion Emulator for CEC firmware — a Python-based emulator that brings full desktop simulation of CEC/uBITX radios with Nextion HMI.
OpenSourceSDRLab PortaRF: The Next Evolution in Portable Software-Defined Radio
PortaRF is a compact all-in-one portable SDR combining HackRF-class wideband RF (≈1 MHz–6 GHz) with integrated PortaPack Mayhem firmware and battery operation. A handheld spectrum analyzer, receiver, and signal tool for RF exploration, field testing, and wireless research.
LARCSet kit – Most Affordable SSB/CW Transceiver Kit Released
LARCSet is a $39 open-source 40 m SSB/CW transceiver kit from HF Signals delivering 5 W QRP output with simple BITX-style architecture. Beginner-friendly build-it-yourself radio designed to make affordable HF operation accessible to new and homebrew amateur radio operators.
PhaseLatch Mini: An Affordable STM32-Based SDR Digitizer for Radio Experimenters
PhaseLatch Mini is a compact STM32-based SDR digitizer with dual 12-bit simultaneous ADCs and 210 kS/s USB I/Q streaming. Designed for use with PhaseLoom front-ends, it delivers clean HF/VHF signal capture for GNU Radio, GQRX, and SDR experimentation.
Build Your Own High-Res FM Receiver: The DIY CYD 480×320 FM Radio Project
DIY ESP32-S3 CYD 480×320 FM radio with SI4732 DSP and touchscreen tuning. High-resolution Arduino receiver project with scan and preset features.
Complete Guide to Flight Tracking with RTL-SDR: Multi-Feeding Setup
Have you ever wondered how tracking websites like FlightAware and Flightradar24 get their real-time data? The secret lies in a global network of volunteers who feed aircraft position data using surprisingly affordable hardware. In this comprehensive guide, I’ll show you how to set up your own aircraft tracking station using an RTL-SDR dongle and contribute data to multiple flight tracking services simultaneously.