Ham Radio Tech: Inexpensive Project Enclosures
No matter what kind of operating you do, sooner or later you’ll need a “gadget” that isn’t readily available commercially. Maybe you’ll need a special switch or an interface between […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles
DC Power
Ham Radio Tech: Choosing a Battery System for Portable Operations
Most new hams start with an HT (handie-talkie) radio. They’re very affordable, portable, and will get you on the air quickly. No one has to think about batteries and chargers—they’re […]
Technical Articles
Ham Radio Tech: RF Safety—In the Field
This is the second installment of a two-part article about RF when you are operating “in the field,” meaning away from a fixed station. For example, when you are operating […]
Antenna Tech
Ham Radio Tech: Choosing a Portable Vertical Antenna that Matches Your Needs
Whether you’re a seasoned ham or buying your first antenna, choosing the right one is more about how you operate as an individual and less about the antenna’s capabilities. In […]
Technical Articles / Uncategorized
Ham Radio Tech: RF Management–In the Field
This is the first of a two-part article about RF when you are operating “in the field,” meaning away from a fixed station. For example, when you are operating a […]
Field Day
What Transceivers Did You Use During Field Day 2024?
There is no shortage of thoughts on what’s the ideal rig for making more QSOs when operating away from the home station, especially with the soaring popularity of POTA, SOTA, […]
Technical Articles
The Saltwater Amplifier Effect (& How it Impacts Your Amateur Radio Station Performance)
For Guglielmo Marconi, the great challenge was to transmit wireless signals across the Atlantic and to all the ships at sea. He built stations at Poldhu, England; Glace Bay, Nova […]
Antenna Tech / HAM Radio 101
Ham Radio 101: A Few Basic Tips on Building Wire Dipoles
Single-band wire dipoles are one of the easiest antennas to make. But just because they are easy to make doesn’t mean they do not work well. In fact, single-band wire […]
Antenna Tech
Ham Radio Tech: RF Ground—The Un-Ground
When it comes to ham radio, there are grounds…and then there are grounds. Here are three types we typically find with radio systems: Safety grounds protect you from a shock […]
Technical Articles
Get up to Speed on Amateur Radio RF Exposure Rules
Did you know that the Federal Communications Commission (FCC) now requires all amateur radio stations in the U.S. and possessions to be evaluated for RF exposure? It’s been a little […]
