Build a Standalone ESP32 DX Cluster Client with 9M2PJU Firmware
An open source ESP32 firmware that turns any of 22 popular screen-equipped ESP32 boards into…
Build an ESP32 Fox Hunt Beacon with 9M2PJU Firmware
An open source ESP32 firmware that turns any cheap handheld radio into an IARU-standard ARDF…
The 9M2PJU Mod LoRa APRS Tracker: A Tiny Malaysian Companion for the SOTA, POTA and the APRSMY Sunday Net
A relaxed tour of the 9M2PJU Mod LoRa APRS Tracker, a Malaysia-tuned APRS firmware for…
The Aerospace Village DC33 Badge: A Linux SDR That Tracks Aircraft in Real Time
The Aerospace Village DC33 badge packs a Linux computer, ADS-B receiver, GPS, and Wi-Fi into…
The APRS Foundation: Carrying Bob Bruninga’s Vision Forward
How a volunteer-led organization is working to keep the Automatic Packet Reporting System open, interoperable,…
LightAPRS Gateway 1.0: A Standalone APRS Digipeater and iGate in a Small Box
The LightAPRS Gateway 1.0 is a purpose-built Linux-based APRS gateway board that combines an SA818V…
The ClusterDuck Protocol (CDP): Architectural Analysis of an Open-Source, Ad-Hoc LoRa Mesh Network
The resilience of communications infrastructure is frequently tested by extreme weather events and natural disasters.
Linux and FreeBSD Operating Systems: Characteristics and Use Cases
1. Definitions and Project Structure 1.1 What Is Linux Linux refers to a kernel created…
Best Amateur Radio Logging Apps for Android and iOS in 2026
If you operate portable, do IOTA, POTA, SOTA, or just want to log QSOs without…