Fall HF Contests at the Start of Cycle 25
May the flux be upon us! The buzz is definitely all about Cycle 25 getting underway and the long-delayed anticipation of plentiful long-distance QSOs on the upper HF bands. Endless […]
An Amateur Radio Blog by DX Engineering Articles written by: Ward Silver, N0AX
Events
Antenna Tech / Technical Articles
Little Pistol Low-Band Antennas
Some of the biggest challenges presented to the Little Pistol, especially one who wants to become a Medium Gun, are the low bands. This generally means 10 MHz and lower, […]
Technical Articles
HF Propagation at the Equinox
All things being equal… Here comes fall, the time of year when the northern hemisphere emerges from the summertime HF doldrums. At the same time, the southern hemisphere hams are […]
HAM Radio 101
First Field Day for NØAX
Well, this is different! When you are just getting started in ham radio, this “Field Day” thing is a Big Mystery. Sometime in late winter, the club chatter starts up […]
Technical Articles
Propagation Paths–The Long and Short of It
Getting Around on the Bands This article focuses on one of my favorite interests: How HF signals get around. When asked the question, “Why are you into ham radio?” I […]
Technical Articles
Brushing Up On Math: Some Basic and Handy Calculator Tools for Hams
Uh-oh, just lost half the audience at the title! Don’t despair, you needn’t be an engineer to do the simple calculations we all encounter in ham radio, sooner or later. […]
HAM Radio 101
Ham Radio Contesting Etiquette for Contesters and Non-Contesters Alike
Why, yes, there is etiquette in contesting! Even though it may sound like chaos in places, there is a method in the madness. Every sport has its etiquette—certain things you […]
HAM Radio 101
Getting My License
What got you started in ham radio? What keeps you in ham radio? How did you get your license and what was your first station like? Quite a trip back […]
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 […]
