VarAC: The Free HF/FM/SAT Digital Chat App Bringing Real-Time Conversation Back to Ham Radio
VarAC is a free, modern HF/FM/SAT peer-to-peer real-time chat and EmComm app for amateur radio,…
H-Mode: An Open HF Digital Mode That Turns Errors Into Ionospheric Measurements
H-Mode, a new open HF digital mode from N2OSW, deliberately skips payload FEC so every…