Amateur Radio AX.25 chat and PBBS program using Linux's AX.25 stack
433MHz beacon-finder system for helium balloons
A WDM Virtual Audio Loopback Cable/Device
SDK for the SARK-110 Antenna Analyzer
STM32F4 APRS Tracker/Digipeater/IGate/Monitor
A hamradio DSP tranceiver on a Cortex-M4 MCU (STM32F4xx)