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…
Flash a $2 Pi-hole From Your Browser: The 9M2PJU ESP32-C3 AdBlocker
A Pi-hole-class DNS sinkhole on a $2 ESP32-C3 with no PSRAM, flashed straight from Chrome.…
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,…
Gordon Gibson G3ZFZ: Royal Signals Veteran and 9M2RH Melaka Club Station Operator
A profile of Gordon Gibson G3ZFZ -- Royal Signals veteran, 9M2RH Melaka club station operator…
CW Prosigns and Abbreviations That Leaked Into Everyday Life
How 73, HIHI, DE, QSL and other CW shorthand from the 1850s ended up in…
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.…
Wi-Fi HaLow: The Long-Range, Low-Power Wi-Fi That Quietly Grew Up
A relaxed look at Wi-Fi HaLow (IEEE 802.11ah), the sub-1 GHz flavour of Wi-Fi built…
Haven: The Open Source MANET Mesh Radio You Can Build From A Raspberry Pi
Haven is an open source MANET IP mesh radio built from a Raspberry Pi, a…