Search Results for: ferrite

3Y0J bouvet island dxpedition team member with penguin
Events

DX Engineering Equipment Makes Its Way Across the South Atlantic to Support 3Y0J Bouvet Island, February 2023

Editor’s Note: All of us at DX Engineering and OnAllBands—on behalf of amateur operators around the world—express our most sincere thanks to the entire 3Y0J team for making this incredibly […]

comet manual ham radio antenna tuner
Products & Product Reviews

New Products Spotlight: Comet CAT-300 Antenna Tuner, 2023 Ham Radio Calendars, and ARRL Handbook

For today’s post, we offer a potpourri of new products for hams: a base station manual tuner, fresh amateur radio calendars, and the latest edition of the ARRL Handbook. Comet […]

Events

Guide to December 2022 Ham Radio Contests

Yes, it’s a cliché to say, “Wow, that year really flew by,” but it does seem like it was only yesterday we were hanging up our unmarked ham radio calendars […]

Uncategorized

Baluns and Common-Mode Impedance: How Much is Enough?

There is a lot of interest in baluns these days—that’s good. There is also a lot of confusion about baluns these days—that’s not so good. This article starts by defining […]

a pair of vintage ham radio handy talkies
Technical Articles

Handy Talky Madness (Part 1): Old School and Analog

I love handy talkies (HTs). Some might call it an addiction. So, let’s talk about them. Since there is way too much information for one blog alone, I’ll be covering […]

eton emergency broadcast radio
Products & Product Reviews

New Product Spotlight: Eton Elite 750 AM/FM/LW/SW Portable Radio

In August, OnAllBands announced that DX Engineering was now carrying shortwave radios, weather alert radios, and home emergency products from Eton Corporation—a Palo Alto, California-based company with an exceptional track […]

Beverage On Ground BOG diagram
Antenna Tech / Technical Articles

BOGged Down: Receive Antennas on the Ground

Many hams I know who are serious 160 and 80 meter operators use Beverage antennas to optimize HF reception. These antennas often make the difference in pulling a weak signal […]

A wire antenna signal performance illustration
Technical Articles

Feeding End-Fed Antennas

“End-fed” antennas, in particular the “End-Fed Half-Wave” (EFHW), are all the rage these days, particularly for portable operation. Throw a string over a tree branch, haul up one end, connect […]

ARRL Grounding and Bonding Book
Technical Articles / Weatherproofing and Grounding

Grounding and Bonding for Portable Amateur Radio Stations

Operating from a temporary setup—in a park, on a summit, from a rare grid or county, or for a special event—has become very popular. This is a great thing for […]

SFR RF-100 bandwidth filer control box
Field Day / Technical Articles

Minimizing Interference on Field Day

Whenever two or more transceivers are used in close proximity, there is some level of interference involved. This level can vary from practically no problem at all to actually overloading […]