How to Read a Smith Chart for Amateur Radio
Yes. I’d tighten it. The original is accurate overall, but a bit long and repeats…
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,…
Measuring Radio Noise and Interference in Amateur Radio: Field Strength Meter, Gauss Meter, and Better Tools
Noise is one of the biggest enemies of amateur radio. A station can have a…
The W5GI Mystery Antenna: A Practical Multiband HF Wire Antenna
The W5GI Mystery Antenna is one of those amateur radio antennas that attracts attention because…
9M2PJU Amateur Radio EmComm Dashboard: A Practical Tool for Emergency Communications
When emergency communications work becomes active, the biggest challenge is rarely just getting on the…
The Best NEC2 Antenna Simulator for Linux
If you do antenna modeling on Linux, xnec2c is the tool to know. It is…
Why Amateur Radio Buyers Ask If Gear Comes From a Non-Smoking Shack
Learn why ham radio buyers ask whether used transceivers, microphones, and accessories come from a…
RF Current, Grounding, and Interference: Guide for Amateur Radio Operators
Amateur radio is a hobby built on invisible energy. We launch signals into the air,…
Amateur Radio in Malaysia: A Practical Hobby, A Technical Skill, And A Public Service
Amateur radio is often misunderstood from the outside. To some people, it looks like an…