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 […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles
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, […]
Technical Articles
AUXC Qualification in Ohio
Most people know about the AUXCOMM course from the Department of Homeland Security (DHS). For those who do not, here is a quick rundown from my previous AUXCOMM article: The […]
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 […]
Technical Articles
Amateur Radio Guide to Following CEPT and FCC License Rules
The following article is co-authored by John Crovelli, W2GD and Ward Silver, NØAX. It took a global pandemic to raise our general awareness of amateur radio licensing reciprocity and remote […]
Technical Articles
What is Amateur Radio Direction Finding?
Also known as fox hunting or radiosport, amateur radio direction finding (ARDF)is a sport that combines the use of ham radio gear, a topographic map, a magnetic compass, and orienteering […]
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 […]
HAM Radio 101 / Technical Articles
Mobile Radio Installation for Beginners
You can find a lot of information on any ham radio subject. People will tell you that you need to do this setup or that setup. Who should you listen […]
Technical Articles
Ham Radio Tech: HT Bluetooth and Phone Connection Issues
One of the biggest things I was excited about when I got my Kenwood TH-D74 was Bluetooth connectivity. I would put it in my window and use the TNC on […]
Technical Articles
Q-Section Feed Line Transformers
What the heck is a Q-section? Long a tool of antenna system designers, the Q-section is a handy way to make a single-band match between a feed line and an […]
