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…
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…
FT8: The Little Digital Mode That Quietly Took Over the Bands
A relaxed look at FT8, the digital mode that lets a wire antenna and 20…
QRP Amateur Radio: The Art of Operating with 5 Watts or Less
QRP is the art of doing more with less. In a world where amateur radio…
CW and Modern Amateur Radio: How Much Did Morse Code Really Shape the Hobby?
Continuous wave telegraphy, universally known among operators as CW, is often credited as the foundation…
9M2PJU SOTA Bot: SOTAwatch Spots and Alerts on Telegram
If you are active in Summits on the Air, you already know how useful SOTAwatch…
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…
Why CW and Morse Code Still Thrive in Amateur Radio in 2026: Data, Physics and Practice
Introduction In an era of FT8, satellites, and 5G, the oldest digital mode still accounts…