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.
News
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.
ATS Mini V4: The Pocket-Sized SSB Receiver Just Got a Major Upgrade
The ATS Mini receiver has long been a favorite among hobbyists and Shortwave Listeners (SWLs) for packing incredible functionality into a tiny, portable package. Now, the latest iteration, the ATS Mini V4, arrives on the scene, building on the success of its predecessors (V1, V3, and V3S) with significant enhancements that cement its status as a top-tier micro-controlled radio.
Turning the NXP TEF6686 Car-Radio Chip into a Versatile Multiband Receiver]]
From Car Dash to SDR Lab: Turning the NXP TEF6686 Car-Radio Chip into a Versatile Multiband Receiver There’s a certain magic in hearing distant AM or FM stations fade in from the noise — a reminder of how much can be done with clever design and a bit of curiosity. Recently, hobbyists have discovered that […]
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
Revival of SLBC MW Broadcast on 1548 kHz via Former DW Trincomalee Transmitter
On the evening of 3 October 2025, radio listeners across Tamil Nadu were pleasantly surprised: broadcasts soon resumed on the Medium Wave frequency 1548 kHz using the high-power transmitter in Trincomalee, Sri Lanka — the same facility that formerly belonged to Deutsche Welle (DW). What We Know The test broadcast started at 8:00 PM IST […]
Quansheng UV-K5/UV-K6 Radios Get New MCU, Firmware Risks
New Quansheng UV-K5/UV-K6 radios use a PY32 MCU incompatible with STM32 firmware — flashing custom firmware can brick the radio, making MCU identification critical before updates
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.
Hydra SDR RFOne Faces Criticism Over Performance Issues
The Hydra SDR RFOne, a highly anticipated software-defined radio (SDR) receiver, has been facing criticism from users and experts alike due to persistent performance issues. Despite its promising features and capabilities, the device has been plagued by problems that have left many disappointed. HydraSDR RFOne has been met with criticism primarily regarding potential gain issues, […]