There are 47 repositories under ham-radio topic.
Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). For more information, look at the bottom 1/4 of this page and in https://github.com/wb2osz/direwolf/blob/dev/doc/README.md
A tool for reading, displaying and saving data from the NanoVNA
Custom firmware for the HackRF SDR + PortaPack H1 addon
📡 An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves.
HamMessenger is a portable device that uses a ham radio and the APRS protocol as a medium to send and receive text messages.
CubeSatSim, the AMSAT CubeSat Simulator
A frequency scanner for Gqrx Software Defined Radio receiver
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)
A GUI application for configuring and programming cheap DMR radios under Linux and MacOS X.
LoRa ESP32 KISS Bluetooth modem (for APRSDroid or aprs.fi iOS) + APRS-IS RX/TX iGate over WiFi + Digipeater + DV (with Codec2 Walkie-Talkie)
Remotely open audio channels and a serial port to an Icom RS-BA1 server (for ex. Icom IC-705 transceiver).
Python library to propagate satellite orbits.
Remote control of 2 Software Design Radio. Receiver and transmitter. Based on Adalm-Pluto SDR or RTL-SDR or Hack RF SDR or SDRplay and signal processing using GNU Radio on Raspberry PI. GUI on a web browser.
Minimal SDR with Lattice MachXO2 FPGA. And a port to Cyclone3 by Steven Groom
A Library with Amateur Radio specific Functions and Methods
ESPRI (ESP Radio Interface) project providing extended functionalities to ham radios