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…
How Amateur Radio Built the Indonesian Internet: PaguyubanNet, Packet Radio and the Pioneers of 1986-1994
Long before commercial ISPs, the Indonesian Internet was built by amateur radio operators experimenting with…
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…