terminal node controller (TNC) amateur radio operators
TNC-Pi Raspberry Pi Packet Radio Board | AMSAT-UK
MFJ-1270X, TNC-X, KISS MODE PACKET CONTROLLER | MFJ Enterprises Inc
Pin on TARPN
TARPN Packet Radio Networking Home Page
So you want to learn and run Packet?
CCW APRS TNC Digi Tracker Operating Manual
Packet radio - Wikipedia
SCS Tracker APRS TNC with DSP | WiMo
Packet Radio on a Raspberry Pi – Part 1: setup | M0HPJ
PACKET RADIO Beginners Guide and The PacketRadio OPERATOR'S COMPLETE GUIDE TO BUILDING AMATEUR RADIO PACKET NETWORKS, ANTENNAS, GROUND SYSTEMS, AND PACKET RADIO STATIONS