Mix 31 and 43 Toroid’s in a 1:1 Choke Balun
Mixing Mix 31 and 43 Toroid’s Can You Mix Mix 31 and 43 Toroid’s in a choke? One of the most common questions amateur radio operators ask when building a…
Radio fundamentals
The Weaver Method for Single Sideband Generation
Weaver Method for Single Sideband (SSB) has remained the primary voice mode for HF amateur radio operators for decades because it provides excellent spectrum efficiency and allows long-distance communication using…
Faraday Cage for RF Shielding and EMP Protection
A Faraday cage is one of the most effective methods for protecting electronics from electromagnetic interference, radio frequency energy, and electromagnetic pulse events. Amateur radio operators, engineers, and emergency preparedness…
EMP Proofing A Ham Shack: Protect Radios from EMP’s
EMP Proofing A Ham Shack involves several strategies working together: shielding sensitive electronics, improving grounding systems, protecting feedlines, maintaining redundant equipment, and storing backup gear in protected containers. When implemented…
How to Fix Audio Hum: Causes, Diagnosis, and Proven Solutions
Audio hum announces itself as a steady, low-frequency tone that never seems to move or fade. However, it usually signals a problem in the signal path rather than a failure…
QRO VS QRO: Key Differences and When to Use Each
Every amateur radio operator eventually faces the same question: should you run low power or high power? The choice between QRO VS QRO is not simply about watts. Instead, it…
Compare VHF/UHF Range for Better Results
Let us compare VHF/UHF range and everyday communication. Each band behaves differently in real terrain, so you must match the band to the environment and purpose if you want the…
Calibrating an Antenna Rotor Controller
Calibrating an antenna rotor controller ensures accurate beam headings and repeatable antenna positioning. Additionally, proper calibration prevents mechanical strain and accidental over-rotation. Many operators depend on calibration to match displayed…
Quieting Power Line Noise: Working With Utility Company
Quieting Power Line Noise can take a few months but the results are well worth the wait. Power line noise creates buzzing, crackling, or harsh signals that spread across multiple…
Used Ham Gear at Hamfests: Complete Buyer’s Guide
Hamfests give radio amateurs one of the best opportunities to inspect used ham gear before making a purchase. Unlike buying online, you can examine equipment firsthand, operate controls, and speak…