Susquehanna Valley Amateur Radio Club

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Winlink

A radio messaging system that allows amateur radio operators to exchange email-style messages using radio.Many Winlink connections use radio to reach gateway stations connected to the internet, while the system also supports radio-only communication methods. It is...

System Fusion

A digital voice system developed by Yaesu for amateur radio.Fusion-capable equipment can use Yaesu’s digital voice format, and many Fusion radios and repeaters also support conventional analog FM. You may also see the term C4FM, which refers to the modulation used by...

Packet Radio

A form of digital communication in which information is divided into small blocks called packets before being transmitted.Packet technology is used by several amateur radio systems and has been used for messaging, keyboard communication, position reporting,...

Digital Mode

A broad term for methods of communicating by transmitting digitally encoded information instead of conventional analog voice.Digital amateur radio includes systems used for text, data, weak-signal communication, messaging, and digital voice.

Digital Voice

Voice communication in which speech is converted into digital information before being transmitted.Common amateur digital-voice systems include DMR, D-STAR, and System Fusion. These systems are not automatically compatible with one another.