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 […]
An Amateur Radio Blog by DX Engineering Antenna Tech
Antenna Tech
Antenna Tech
Doing a Good Turn: Choosing the Right Rotator for Your Amateur Radio Station
A rotator is a handy device used in ham radio communication systems to change the orientation of an antenna. Rotators have two parts, the rotator unit and the controller. The […]
Antenna Tech / Technical Articles
Cobweb, Halo, and Hex: Ham Radio Antennas You Can Bend, Wrap, and Fold
Space, the final frontier for antenna installations. The ham’s ongoing mission: to explore their shrinking lot sizes and seek out smaller antennas that will keep them on the air—ones that […]
Antenna Tech / Technical Articles
Installing Your Ham Radio Mobile Antenna on a Vehicle
In this installment of Ham Mobile Install, we will be discussing ways to set up an antenna for mobile operations. Remember, the goal here is to get on the air […]
Antenna Tech / Technical Articles
Building an Antenna Adapter Collection and Keeping Track of It
When I first became an amateur radio operator, I wasn’t sure what direction I wanted to take within the hobby. Not yet knowing where my interests lay or what I […]
Antenna Tech / Technical Articles
Ham Radio Tech: Do Snow, Rain, and Ice Affect Antennas?
Yesterday, a heavy rainstorm caused some high SWR readings to appear on my station’s power meter. I thought things would return to normal after the storm passed, which they eventually […]
Antenna Tech / Technical Articles
In the Loop: Delta Loop Antennas
Looking for a wire antenna that’s inexpensive, easy to build, and works great for DX above 40m? A delta loop and its variants can make an effective single-band or multiband […]
Antenna Tech / Technical Articles
Dipoles–A Domestic Secret Weapon
The dipole is the oldest antenna—Herr Professor Heinrich Hertz used a dipole in his 1888 experiments that confirmed Maxwell’s predictions of electromagnetic waves. The dipole (the word means “two voltage […]
Antenna Tech / Technical Articles
Guide to Unusual Ham Radio Antennas
We’ve all heard of Yagis, dipoles, and G5RVs. But there are other antennas out there that are a bit unusual—either by name or configuration. One even grows… Carolina Windom Going […]
Antenna Tech / Technical Articles
Antenna Choices for Successful Portable Operations (Part 1)
When it comes to choosing the right gear for portable operations, you may want to consider the 4 Ps as you make your selections: Portability, Performance, Perfectly Easy Deployment, and, […]
