Data on Ferrite Transformers
(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).) In working on a […]
An Amateur Radio Blog by DX Engineering Recent Posts
Clifton Labs
HAM Radio 101
What is the World Castles Award (WCAgroup.org)?
For many Hams, being an amateur operator is about more than simply getting on the air and logging QSOs. It’s about solving problems, conquering challenges, and, above all, learning new […]
Events / HAM Radio 101
What is Jamboree-on-the-Air (Jota)
Teaching youth how to respond to emergencies has always been at the core of the Scouting program. Today, along with learning skills such as CPR and first aid, Scouts worldwide […]
Events
Scouts Worldwide Prepare for Jamboree-on-the-Air 2019
In a few weeks, boys and girls from around the world will be celebrating a Ham Radio event that has captured the imaginations of countless youth for 61 years—Jamboree-on-the-Air (JOTA). […]
HAM Radio 101
Word of the Day: Lockout
A means of preventing two transmitters from keying or transmitting simultaneously. A hardware lockout accomplishes this task by inhibiting the transmit/key line on the different radios with a lockout circuit. […]
Clifton Labs
Designing an Easy Broadband RF Transformer
(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).) In working on an […]
Products & Product Reviews
DX Engineering’s Color-Coded Ferrite Toroids
If you purchase ferrite components from most manufacturers, you’ll find that they all look pretty much alike: dark grey beads and toroids and rods without markings or other identification. This […]
Technical Articles
Energize! Power Options for Portable Ops
No matter where you operate, you’re going to need electricity. Some portable scenarios will allow you to use commercial power, of course, but for most situations, this means a battery. […]
HAM Radio 101
Sporadic-E…and How to Make Sporadic-E QSOs
Propagation that utilizes the E layer of the ionosphere. Since this layer is inconsistently ionized and is lower than the F layers that support more reliable HF propagation, such propagation […]
HAM Radio 101
What is “RBN?”
Reverse Beacon Network is an internet-based network of dedicated wide band receivers around the world which decode CW signals in real time and generate “spots” which contain frequency, signal strength, […]
