Articles written by: Ward Silver, N0AX

Technical Articles

Simple Filters from Transmission Line Stubs

In my previous article, I discussed overload from broadcast stations and the filters that could block those strong signals from getting to your radio. In this article, I’ll illustrate a […]

Technical Articles

Preventing AM and FM Overload

It’s common to experience interference from a nearby broadcast station, including commercial and public safety transmitters. The usual symptom is a continuous stream of distorted audio on all channels or […]

Technical Articles

What Is an Antenna System?

“System” is a word that gets thrown around a lot. What does it mean from the perspective of an amateur radio operator? Generally, I think of a system as a […]

Products & Product Reviews

Extra Gear That Should Be Standard Equipment

It wasn’t so long ago that RF power meters weren’t included in transceivers (or transmitters). You got plate current, grid current, high voltage (maybe), and S units for the received […]

Technical Articles

Troubleshooting Antenna Systems

After the previous couple of articles about troubleshooting (“Maintaining and Troubleshooting an HF Station” and “Troubleshooting Your Transceiver”), it’s time to move outside the station. An antenna system may not […]

Technical Articles

Troubleshooting Your Transceiver

Uh-oh, the radio’s broken! It’s either doing something it’s not supposed to or not doing something it’s supposed to. The natural response will always be to change a few things, […]

Technical Articles

Maintaining and Troubleshooting Your HF Station

There is a fine line between maintenance and troubleshooting, whether it’s a Ham station, a car, an audio system, or any bit of technology with several “moving parts.” One often […]

Events

My Favorite QSOs

Long-path on QSOs and first-call transmissions Bright copper coils and quickly band-switchin’Bright paper QSLs from distant kingsThese are a few of my favorite things (From “My Favorite Things” by Rogers […]

Products & Product Reviews

Ham Radio Tech and History Book Reviews: A Top Ten Desert Island List

When I was asked to write this blog entry, the suggestion was made, “…like a desert island list.” Well, that’s just a perfect idea! Since most such lists include ten […]

Technical Articles

Wire Antennas—Beyond the Dipole

The oldest radio antenna is—guess what—a dipole. In fact, a dipole was used by Professor Hertz to discover electromagnetic waves in 1886. How did he decide to use a dipole? […]