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 […]
An Amateur Radio Blog by DX Engineering Recent Posts
HAM Radio 101
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 […]
Events
The Pitcairn Island VP6R 2019 DXpedition is Coming!
Start preparing to log Pitcairn Island, the least populous national jurisdiction in the world and the spot where, in 1790, mutineers from The Bounty settled after famously burning the ship. […]
Events / Photo Galleries
It’s All in the Cards: QSLs from Solomon Islands and Burundi
DXers will have a chance to put Solomon Islands in their log books this August. Michael, DL2GMI, is scheduled to be QRV on 80/40/20/15/10/6M from August 23 to September 2 […]
HAM Radio 101
Ham Radio and “International Goodwill”
One of the great things about Ham Radio is its ability to bring people together. If the propagation is right, an operator in Iowa can reach across the Atlantic to […]
Technical Articles
Ham Radio Outdoor Maintenance Tips (from the Ground Up)
My first Elmer was a laid-back guy. One of his philosophies about Ham equipment was, “If it ain’t broke, don’t fix it.” He was lucky most of the time, but […]
