Winlink
Radio-based email and message transport for routine, field, and emergency communications.
Modern Amateur Radio
Digital Communications
N2UGA explores radio technologies that combine traditional RF operation with computers, data networks, positioning, messaging, and Internet-linked systems.
APRS
Position, telemetry, weather, messaging, and situational-awareness data over amateur radio.
Packet Radio
AX.25 packet, nodes, BBS systems, and the continuing value of radio data networking.
Digital Voice
DMR, System Fusion, and other modern digital voice technologies.
Internet Linking
AllStarLink, EchoLink, gateways, and hybrid RF/Internet communications.
Experimental Systems
Software-defined radio, station automation, telemetry, and open-source communications projects.