digital-radio

WebSDR Backend

Run a DMR network server with a frontend, authentication, private and group calls and a parrot all in a single binary

A new HF digital ARQ/QSO mode.

GPU-accelerated ARC4 40-bit key recovery for DMR Enhanced Privacy. CUDA (NVIDIA) and ROCm/HIP (AMD). Windows GUI + Linux CLI.

A python library for transmitting and receiving digital data with audio frequency-shift keying

基于数传电台的无人机编队通信软件

A 16QAM modulator built with a couple transistors, a 74HC86 XOR IC and an Arduino UNO

Amateur radio firmware for the GD-77, GD-77S, DM-1801, DM-1801A, RD-5R, MD-9600/RT-90, MD-UV380/RT-3S, DM-1701/RT-84 and MD2017/RT-82.

A TII log analyzer for AbracaDABra (DAB+), to perform bandscan summaries and mobile measurement analysis, with detailed information, a reception map...

All-platform P25, DMR, and NXDN user console built with .NET and Avalonia.

Native macOS ARM64 build guide and automated installer for drm-receiver, tested with RTL-SDR Blog V4 on Apple Silicon. DRM decoding and BBC World Service reception verified.

A cross-platform DAB radio receiver with ImGui and LVGL and Qt GUI backends.

FM receiver built using Arduino UNO and RDA5807M module. The system digitally tunes FM frequencies via LCD and push-button interface, eliminating analog tuning. Outputs clear audio with precision, making it ideal for embedded system learning and IoT radio projects.

Digital Radio Station Player

A software-defined Audio Frequency-Shift Keying modem designed for analog FM radios. Uses the device's default audio input and output.

Packet relay between WSJT-X and all your other WSJT-X listeners

Unofficial build guide and automated build script for running welle.io natively on Apple Silicon macOS (M1–M4) with RTL-SDR and DAB/DAB+ support.

Automated TETRA analysis environment for RTL-SDR on Ubuntu, Debian and Windows, with guided installation, diagnostics and repair tools.

An HTML generator with integrated CUs calculator to easily create the configuration file of an ODR DAB+ multiplex with all settings, including the services list. It creates a customized configuration file (in either .info or .mux format) which can then run with the tools of Opendigitalradio.

DAB+ transmitter for HackRF One — PC audio → HE-AAC v1 → DAB+ superframe → COFDM → 2.048 MS/s IQ → HackRF TX