amateur-radio

Software-defined radio receiver application built on GNU Radio with a web-based UI and plugins. In development, usable but incomplete. Compatible with RTL-SDR.

📡 An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves.

HamPi

Cloudlog is a web-based amateur radio logging application built with PHP and MySQL. It supports a wide range of station logging activities, from HF to microwave, and integrates with companion tools for CAT control and automation.

K3NG Arduino CW Keyer

HamMessenger is a portable device that uses a ham radio and the APRS protocol as a medium to send and receive text messages.

Library for the Si5351 clock generator IC in the Arduino environment

Turn your Android phone into Amateur Radio Codec2/OPUS APRS enabled DV handheld transceiver (Bluetooth/BLE/USB/TCPIP KISS/Sound modem client for DV digital voice communication)

LoRa ESP32 KISS Bluetooth modem (for APRSDroid or aprs.fi iOS) + APRS-IS RX/TX iGate over WiFi + Digipeater + DV (with Codec2 Walkie-Talkie)

This is the Xastir APRS client repository.

A SIGINT Go-kit of sorts

K3NG Arduino Amateur Radio Rotator Controller

Audio streaming application for Amateur Radio purposes

M17 standard specification

TR-9 - M17 protocol compatible handheld - schematics, PCB design files, BOM.

Remotely open audio channels and a serial port to an Icom RS-BA1 server (for ex. Icom IC-705 transceiver).

Attach TNC devices as network interfaces

Custom firmware for Vaisala RS41 and Graw DFM-17 radiosondes with support for amateur radio use. Ideal for tracking high-altitude balloons. Supported modes include APRS, Horus 4FSK mode, CATS, morse code (CW) and additional digital modes like WSPR and FT8 via Si5351.

Not1MM != N1MM, An amateur radio contest logger for Linux.

Generate APRS Passcode 🔐 using PHP for use in Amateur Radio APRS Applications when connecting to the APRS-IS Network.