Build an ESP32 Fox Hunt Beacon with 9M2PJU Open Source Firmware
An open source ESP32 firmware that turns any cheap handheld radio into an IARU-standard ARDF…
Self Host a TAK Server with 9M2PJU OpenTAKServer Docker Stack
A practical tour of 9M2PJU's OpenTAKServer Docker stack, with the history of TAK from MITRE's…
Safe Drop Heights for Your Smartphone Explained
Have you ever experienced that sudden, heart stopping moment? Your phone slips right out of…
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 Open Organisation of Lockpickers: Locksport, Education, and Ethical Security Research
TOOOL began in a Dutch pub and grew into an international nonprofit teaching locksport, running…
Meet the 9M2PJU HF Prediction Tool: A Free, Relaxing Way to Read the Bands
A relaxed tour of 9M2PJU HF Prediction, a free browser-based HF propagation tool with live…
Top 5 Biggest Amateur Radio Clubs in the World: A Global Tour of Ham Radio’s Heavyweights
A relaxed global tour of the five largest amateur radio clubs in the world: ARRL,…
Meet GAMEMY: The APRS Riddle Bot That Turns Your Handheld Into a Quiz Show
GAMEMY is a quiet APRS-IS station running a riddle game with 1,000 questions across ham…
