Types of Feed Line Chokes
A feed line RF choke creates a high impedance in the path of RF common-mode current on the outside surface of a coaxial cable shield. The choke doesn’t affect currents […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles
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 […]
Technical Articles
Ham Radio Tech: EchoLink & Broadcastify
So where else can radio be handy? In what ways has technology helped us expand our love for radio? There are quite a few ways amateur radio can be mixed […]
Technical Articles
Ham Radio Tech 101: What Causes Galling & How Can You Prevent It?
You are just wrapping up the installation of your new antenna on your tower. You slip a bolt through the clamp and begin to tighten the nut when, suddenly, the […]
Technical Articles
Is PSK31 Still a Thing?
Who has used PSK31? More accurately, who has used it lately? And I don’t mean for any contests dedicated solely to PSK31, but as an actual mode of communication. What […]
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 […]
Technical Articles
Ham Radio Grounding and Bonding and RFI
Over the past few years, a lot of attention has been developed regarding grounding and bonding. I am pleased that my ARRL book Grounding and Bonding for the Radio Amateur […]
Field Day / Products & Product Reviews / Technical Articles
Ham Radio Headphones, Headsets, and Speaker Microphones in the Field
One of my favorite parts of ham radio is public service events. It is sure a lot of fun to help serve the community. One thing you quickly notice, though, […]
Technical Articles
Ham Radio Digital Modes: There’s Something About Olivia
FT8 has taken over ham radio by storm in recent years, especially in the digital mode category. Just look at any spotting site, like DX Summit, and you’ll see an […]
Technical Articles
CW Pileups for Beginning Ham Radio Contesters
In just two weeks (February 17-18) one of the biggest CW contests in the world will fill the bands from 160–10 meters (except for 60, 30, 17, and 12 meters, […]
