deskHPSDR: SDR Frontend for OpenHPSDR Transceivers
Software-defined radio has given amateur radio operators a level of control, visibility, and flexibility that…
Amateur Radio Units Explained: dB, dBm, Watts, SWR, SNR, SINAD, dBi and More
Amateur radio is full of numbers: watts, volts, ohms, decibels, megahertz, microvolts, SWR, SNR, SINAD,…
9M2PJU Map & Compass: The Navigation Tool Amateur Radio Operators Need
Navigation and position reporting form the backbone of effective amateur radio operations. Whether you're coordinating…
Navigating the Unseen: The Science, History, and Mastery of the Magnetic Compass
For thousands of years, traveling across vast oceans or featureless deserts was a gamble against…
The Copper-Wire Internet: How Ham Radio Conquered Real-Time Data and Global Spotting Before the Internet Wielded Its Might
Today, tracking a rare DX station or viewing the live movement of a portable radio…
Why Your Phone Battery Health Drops And The Real Difference Between Li-ion, Li-Po, and LiFePO4
Brand new phone. Battery health: 100%. One year later, it shows 92%. After two years,…
The M5Stack Cardputer-Adv and Amateur Radio: 15 Real Possibilities Worth Exploring
Every ham knows the feeling: you see a new gadget and immediately think, "How can…
Tracking HamRadio.my Projects Uptime with uptime.hamradio.my
If you use any tools or services by 9M2PJU, there’s one link you should bookmark:…
9M2PJU Amateur Radio Contesting Clock
Precision Timing and Propagation Intelligence for Modern Ham Radio Operators When every second counts in…