Search Results for: ferrite

wire wrapped ferrite choke
Technical Articles

Ferrite Chokes, What are They, Anyway?

In other OnAllBand entries, we’ve covered what ferrites are, how their behavior varies with frequency, and some of their applications in the ham station.  This time, we’ll focus on their […]

a ferrite choke on a usb cord
Technical Articles

What is Ferrite Used For, Anyway (Part 2)

In the OnAllBands entry, “What is Ferrite, Anyway?” we discussed what ferrite is and what makes up a “mix.”  We also explored how ferrite behaves at different frequencies. Ferrite has […]

assortment of ferrite chokes
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 […]

DX Engineering ferrite noise cores
Products & Product Reviews

DX Engineering Expands Its Lineup of Color-Coded Ferrite RF Noise Reduction Kits

DX Engineering now offers Color-Coded Ferrite RF Noise Reduction Kits covering a wider range of uses. Kits contain toroids and snap-on beads for specific RF suppression applications (linear amplifiers, AM […]

magnet mount antenna on a car trunk
Antenna Tech

Ham Radio Tech: Ground Planes, Gains, and Automobiles—Insights on Mounting Mobile Antennas on Your Vehicle

The best mobile antenna money can buy isn’t any better than the ground plane it is mounted over. Remember the basic dipole—it needs two elements to be complete. Your vertical […]

CG Antenna CG-3000 160-10M Remote Automatic Antenna Tuner
Manufacturer Showcases

New Manufacturer Spotlight: CG Antenna

The DX Engineering 2025 Amateur Radio Products Catalog is only a few months away. As we lead up to its May release in time for Dayton Hamvention®, OnAllBands will be […]

J-pole antenna radiator diagram plot
Antenna Tech

Ham Radio Tech: J-Pole Antennas—More than You Probably Wanted to Know

Copper Cactus. Steampunk Stick. Slim Jim. Whatever you call it, the J-pole antenna is a reliable alternative to verticals and ground planes for VHF/UHF communication. Due to their simple construction, […]

Ham Radio Holiday Gift Guide 2024 Part 7: Gift Yourself for the New Year
Products & Product Reviews

Ham Radio Holiday Gift Guide 2024 Part 7: Gift Yourself for the New Year

Mugs, Coaxial Prep Tools, Shortwave Radios & More We’re only a week away from December 25, 2024—and the rare occurrence of Christmas and the first night of Hanukkah falling on […]

DX Engineering Set of Five Guy Rings
Products & Product Reviews

Ham Radio Holiday Gift Guide 2024 Part 6: 12 Great Gift Ideas

Winter officially begins in the Northern Hemisphere on December 21, 2024 at 4:21 am (EST). To kick off our impending slog through the slush and snow (at least at DX […]

DX Engineering Christmas Ornament
Events

Guide to December 2024 Ham Radio Contests

Time sure flies when you’re having fun on the air. As we post this final ham radio contest guide for 2024, OnAllBands looks back at another blockbuster year for Radiosport, […]