Word of the Day (QRM): What is QRM in Ham Radio?
What is QRM…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 […]
An Amateur Radio Blog by DX Engineering Recent Posts
HAM Radio 101
Events
For Those Who Operate QRP, Four Days in May is a Big QRO Deal
For many QRP enthusiasts, the main Amateur Radio event in May every year isn’t Hamvention®—it’s a much smaller gathering that appropriately celebrates operators who are well accustomed to doing more […]
HAM Radio 101
Word of the Day (Band Edge): What is a Band Edge in Amateur Radio?
The band edge generally refers to the lowest (or highest) frequency in the band where one can legally operate within the limits of his/her license. For U.S. operators, for example, […]
HAM Radio 101
Word of the Day (4-Square): What is a 4-Square?
An increasingly common array of four vertical antennas arranged in a square that is electronically steered in four, switchable directions. Once used mostly as transmit antennas, particularly on lower frequencies […]
Technical Articles
What is Ferrite, Anyway?
Ferrites are made from oxides of iron, cobalt (Co), barium (Ba), and strontium (Sr). The type of ferrite most useful to hams are soft ferrites. (The hard ferrites are good […]
HAM Radio 101
Word of the Day (73!): What Does 73 Mean?
When a Ham concludes a transmission or meet-and-greet by saying “73,” he or she is honoring a tradition that goes back to the early days of telegraph communications. Western Union […]
HAM Radio 101
Word of the Day: “175 Mile Radius” in Amateur Radio
Here’s a phrase that pops up in the fine print of many Ham Radio contest rules. It means a geographic requirement for groups of stations jointly submitting their scores as […]
Events
It’s All in the Cards (Africa): The DX Engineering Team Shares Some of Its Favorite QSLs from Africa
Every month, DX Engineering features QSL cards from our team members’ personal collections. Some of our favorites are displayed on the cover and inside our 2018 Fall/Winter Catalog, along with […]
HAM Radio 101
Word of the Day (HAM): What Does HAM Mean in Amateur Radio?
Editor’s Note: CW? SWR? QRM? Yes, Amateur Radio has its own lingo–and we’ll cover that unique terminology in our daily Word of the Day column. We’re kicking off our Word […]
Events
Team Exuberance Excels in First Competition Together
It was an exciting 48 hours at superstation K3LR, as “Team Exuberance” competed in the CQWW WPX, SSB contest March 30-31. The six-member team of young operators from the U.S., […]
