What Does “RTTY” Stand For?
The CQ World Wide RTTY DX Contest will be taking place in a few weeks (Sept. 28-29), so we’ve chosen RTTY for our Word of the Day. For the uninitiated, […]
An Amateur Radio Blog by DX Engineering Recent Posts
HAM Radio 101
Clifton Labs / Technical Articles
Using Copper Tubing Windings on a Binocular-Core Transformer
It is often effective to use copper tubing as single-turn winding on a binocular-core transformer. The tubing has extremely low losses and minimizes leakage inductance which extends the transformer’s high […]
Events / HAM Radio 101
Guide to 2019 Fall Contesting Season
It’s September—the time of year when gridiron giants strap on helmets and shoulder pads while us amateurs strap on headphones and fill our cups with high-octane java for some serious […]
Events / Photo Galleries
Photo Gallery: Huntsville Hamfest
The Huntsville Hamfest dates back to August 1954 when the annual North Alabama Hamfest alternated between the communities of Huntsville, Decatur, and Florence. After a few years, the Hamfest was […]
HAM Radio 101
Word of the Day: Do You Remember “73 Magazine?”
From October 1960 to September 2003, Hams everywhere were greeted each month with a welcome sight sticking out amongst the bills in their mailboxes. It was 73 Magazine, the brainchild […]
HAM Radio 101
World Scout Jamboree Overview
DX Engineering was a proud supporter of the NA1WJ 2019 Word Scout Jamboree Amateur Radio operation, July 22 to August 2, hosted by representatives from Canada, Mexico and the U.S. […]
Clifton Labs / Technical Articles
Permeability and Ferrite Material
Since the article was written in 2008, other types of ferrite material have been introduced with different characteristics over the MF and HF frequency ranges. Type 31 has become popular […]
Products & Product Reviews
Choosing an Active Magnetic Receiving Antenna
Whether you’re a Ham Radio operator, AM DXer, or short-wave listener, active magnetic receiving antennas offer distinct listening advantages over more common antennas—most notably lower-noise reception and the ability to […]
HAM Radio 101
What is a Skew Path?
A propagation phenomenon where the ionosphere does not support direct-line propagation (along a great circle heading) between two stations, but contacts can be made by aiming closer to the equator […]
HAM Radio 101
What is QRN?
What is QRN…and why do so many Ham Radio abbreviations start with Q? Let’s answer the latter first. Original Q Codes (45 abbreviations beginning with the letter Q) were developed […]
