https://media.ccc.de/v/osmodevcon2024-218-digital-telecommunication-in-hf-band-wwwan-world-wide-wireless-area-network
Digital Telecommunication in HF band - WWWAN - World-Wide Wireless Area Network - media.ccc.de
We at Rhizomatica are running the High-frequency Emergency and Rural Multimedia Exchange System (HERMES) already for some years, based on...