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 […]
An Amateur Radio Blog by DX Engineering Recent Posts
HAM Radio 101
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 […]
Clifton Labs
Replacing the Memory Backup Battery in a Harris RF-590 Receiver
(Editor’s Note: The following article is from the archives of experimenter, inventor, friend of the Ham Radio community, and founder of Clifton Laboratories, Jack Smith, K8ZOA (SK).) I recently acquired a […]
Technical Articles
Tips for Battery Replacement in Computers, Radios, or Lab Equipment
Due to the lower cost and better performance of non-volatile memory, it is now a common feature of microcontrollers. This reduces the need for batteries to provide backup power to […]
HAM Radio 101
What is an Ethernet Filter?
From time to time our Word of the Day feature will focus on a unique product that benefits our fellow Ham Radio operators. Today, we look at the ISO-PLUS Ethernet […]
Technical Articles
How to Protect Wire from Ferrite
Before winding wire, particularly enameled wire, on a bare ferrite core, take steps to protect the wire from the abrasive ferrite’s edges and corners. If the core has an inside […]
