Susquehanna Valley Amateur Radio Club

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DMR

by | Aug 10, 2026

Digital Mobile Radio. A digital voice system used in amateur radio as well as commercial radio systems.Amateur DMR networks can connect repeaters and individual operators over large geographic areas, often with internet-connected infrastructure.

D-STAR

by | Aug 10, 2026

Digital Smart Technologies for Amateur Radio. A digital voice and data system developed specifically for amateur radio.D-STAR repeaters can be linked through networks, allowing operators in different locations to communicate through connected systems.

APRS

by | Aug 10, 2026

Automatic Packet Reporting System. A digital amateur radio system commonly used for sharing information such as position, messages, weather data, and station status.APRS is often used by mobile stations, portable operators, weather stations, public-service groups, and...