APRS station builds, DigiPi configurations, and reliability notes for field and base deployments.
hardware stacks, TNC choices, and RF tuning.
Updated APRS desktop station.
Anytone 878-uvii attached to a Raspberry Pi4 runinnig Digi 2.2 via the AIOC cable
APRS is a digital communication system. It functions by sending small packets of data via radio waves. It’s designed for exchanging messages and information over short distances. It was initially developed in the 1990’s by Bob Bruninga, WB4APR (SK). Since then, it is used extensively by amateur radio operators.
Live APRS details for NI3N.
If you have spent time monitoring the 2-meter amateur radio band, you may have heard short bursts of digital noise on 144.390 MHz. Those bursts are…
September 2026 My Raspberry Pi–based DigiPi has become an important part of my amateur-radio setup. I primarily use it for APRS with Dire Wolf, but DigiPi…
Raspberry Pi + Dire Wolf + systemd (iGate / Digipeater) Scope and Design Goals This guide documents a production-style APRS DigiPi deployment using: Design Objectives Hardware…