Introduction to Packet

Packet radio is a particular digital mode of Amateur Radio (“Ham” Radio) communications which corresponds to computer telecommunications.

The telephone modem is replaced by a “magic” box called a terminal node controller (TNC); the telephone is replaced by an amateur radio transceiver, and the phone system is replaced by the “free” amateur radio waves.

Packet radio takes any data stream sent from a computer and sends that via radio to another amateur radio station similarly equipped.

Packet radio is so named because it sends the data in small bursts, or packets.

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What is DMR?

DMR stands for Digital Mobile Radio and uses the Motorola TRBO protocol for communications. Like other digital modes such as D-Star, C4FM and APCO P25, the TRBO protocol converts your voice into a digital form and sends it out via RF (with other bits of information included) and allows you…

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D-Star Information

D-STAR (Digital Smart Technologies for Amateur Radio) is a digital voice and data protocol specification for Amateur Radio. The system was developed in the late 1990s and uses minimum-shift keying in its packet-based standard. D-STAR was the first digital mode that was designed specifically for Amateur Radio. D-STAR compatible radios…

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