Technical Articles

Technical Articles

How Many, How Long: Advice for Installing Ground or Above Ground Radials

Installing a radial system is a must for any quarter-wave vertical antenna system. Without one, a vertical antenna is only half complete. The radials are the second half of the […]

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

Five Tips for Successful QRP Operating

QRP, or low-power operating, is one of Ham radio’s fundamental challenges. Can you really make contacts running only five watts or less? Yes, Virginia, you can enjoy a quality ham […]

Technical Articles

Your First Pileup: Techniques for Success

Operating from a rare (or semi-rare) location is one of the greatest experiences in Ham radio. Many operators have spent time trying to work a DXpedition and have also dreamed […]

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

Top 10 Tips for Succeeding in FT8 Mode

I give many presentations and help a lot of Hams get started with FT8 and FT4. I often get asked, “Why am I having trouble making contacts?” and “What can […]

Technical Articles

Finding Your Calling: When and Where Are You Most Likely to Make QSOs?

One of the most enjoyable parts of the hobby is making contacts with other Hams. Finding operators on the air isn’t necessarily a matter of luck or chance. There are […]

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 […]

Technical Articles

Building a Ham Workbench Table

After struggling for years repositioning radios and test equipment at the workbench, I finally found a simple but elegant solution. In a recent YouTube radio repair video, Stefan Steger, DL7MAJ, […]

Technical Articles

Getting Your Antenna in (and on) the Air: Tips for Installing Wire Antennas and Verticals

Mother Nature must like Ham operators. We’ve been provided with an abundance of tall, non-conductive antenna supports—aka trees—which grow and flourish on their own. When it comes to wire antennas, […]