Si4463 Radio Library for AVR and Arduino

Documentation for Phase 4 Ground

Gpredict satellite tracking application

digital signal processing library for software-defined radios

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 Gatewa…

general-purpose software audio FSK modem

ATS programing on mbed platform

ATS programing on Arduino

implementing RTTY demodulation and baudot decoding on an AVR MCU

A simple Idris program to blink the LED on an Arduino

Firmware and programmer to re-flash the UV3R radio

Software for Low Density Parity Check codes

A software-based Simplex Repeater.