Learn how to integrate JTDX with the sBITX SDR transceiver for reliable FT8 digital operation. Step-by-step setup, CAT configuration, and audio interface tips for amateur radio operators
SDR
The SDR section focuses on Software Defined Radio hardware, firmware, and real‑world operating techniques. Here you’ll see coverage of Linux‑based SDR transceivers like sBitx and ZBitx, handheld SDR projects, ADS‑B and flight tracking setups, Mini Radio / ATS‑Mini firmware updates, and practical guides to HF digital reception such as WEFAX and FT2
Mini-Radio Firmware V3 Adds RTTY/CW Decoding and EiBi Integration
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.
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
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.
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.
Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver
Mosquito TRX is a single-MOSFET 40 m CW transceiver for 7030 kHz using crystal control and direct-conversion reception — an ultra-simple QRP rig and SDR front-end for sound-card radios
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.
Pocket SI4735 Dual Core Decoder – Latest Firmware Elevates ats Mini Radio
Pocket SI4735 Dual Core Decoder firmware upgrade adds 400 kHz waterfall, improved SSB/CW/RTTY decoding, and faster scanning — transforming the ATS Mini into a powerful DSP pocket receiver.
kv4p HT project -Turning Your Android Phone Into a Ham Radio
KV4P-HT turns an Android phone into a VHF/UHF ham radio via USB-C — an open-source ESP32 + SA818 transceiver add-on with APRS messaging, 1 W output, and fully off-grid operation
H.J. Berndt’s Firmware for the ATS-Mini DSP Radio
A deep dive into H.J. Berndt’s alternative firmware for the ATS-Mini. Learn about the new UI, AFC improvements, and how to flash this powerful update to your DSP receiver.