Someone Turned a Sony PSP Into an RTTY Encoder
A Sony PSP homebrew app from r/amateurradio turns the 2004 handheld into an AFSK RTTY…
Geogram: Off-Grid Peer-to-Peer Communication Without Servers, Accounts, Or Cloud
Geogram is an open source Apache-2.0 peer-to-peer communications platform that connects phones, laptops, and ESP32…
The Crown Antenna: A Wire Loop That Hugs the Roof and Works the World
The Crown Antenna is a folded wire loop with peaks and valleys, born in a…
APRSdroid 9M2PJU Mod: The Enhanced APRS Companion for Android, Built by Hams, for Hams
A free, open source Android APRS client with offline OSM maps, BLE LoRa tracker support,…
APRSMap: A Cross-Platform Open Source APRS Client for Linux by DC6AP
APRSMap by Andreas Peters (DC6AP) is a free, open-source APRS client for Linux built in…
DroidStar 9M2PJU for Linux: Five Digital Voice Modes, One Calm Desktop Client
A free, open source Linux digital voice client for DMR, M17, YSF, P25 and NXDN.…
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…