Category: Ham Radio

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.

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 …

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 …