Update to RadioMail—Varanny
I have written about an amazing program called RadioMail in previous articles. This is an application that allows for Winlink mail to be sent and received on an iPhone or […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles
Technical Articles
Ham Mobile Install–A Few Suggestions for Dealing with Noise Issues
In this installment of Ham Mobile Install, we will talk about what happens when you have followed the mobile radio installation instructions to the letter, but there is still something […]
Technical Articles
Waterfall Displays—What Information Do They Provide?
Finding activity on the ham radio bands used to mean tuning around the dial and listening for QSOs, one frequency at a time. We were blind to anything but the […]
Technical Articles
Ham Mobile Install—Power Options
In this installment of Ham Mobile Install, we will discuss powering options for your mobile radios. There are several options to explore, depending on the power of the transceiver and […]
Technical Articles
How to Test Coaxial Cable
Coax became popular with hams after World War II when war surplus was plentiful. Hams liked it because it was easy to obtain, relatively inexpensive, and easy to install—much easier […]
Technical Articles
Ham Mobile Install–Mounting Your Radio
In this installment of Ham Mobile Install, it’s all about mounting options for your mobile radio—the where and how of making sure the transceiver or head is in a place […]
Technical Articles
So, You’re Ready to Buy Your First Handheld Transceiver. Now What?
You just got your first license. Congratulations! Now you are ready to buy your first radio. For many of us, our first radio was a handheld (HT) transceiver. On the […]
Technical Articles
Ham Mobile Install: A Few Things to Consider about Transceiver Placement and Detachable Heads
In this installment of Ham Mobile Install, we will talk about selecting a radio, where to mount it in the vehicle, and placing a detachable head. When choosing a mobile […]
Technical Articles
What is a Band Stacking Register? MPAD? QMB?
Ask your ham radio friends what a Band Stacking Register is and you’re likely to get some blank stares. Others may pull out their smartphones and do an Internet search. […]
Technical Articles
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 […]
