Search Results for: power supply

a large ham radio transceiver
HAM Radio 101

Word of the Day (Firmware: Firmware–What it Is and Advice on Firmware Upgrades

Computer code that controls a device. The code is generally resident in a chip, and can be updated using whatever communications protocols are set up for this purpose. Many devices […]

a compact mobile ham radio transceiver
Technical Articles

What To Look For in Your First Mobile Rig

After getting a license, there are so many things to learn! One of the biggest (and the most fun) is what you learn as you choose your radio. This article […]

Ham Radio station portable go-kit
HAM Radio 101

Word of the Day (Go-Kit): What is a Go-Kit for Field Day?

As ARRL Field Day 2019 nears (June 22-23), many in the Ham Radio community are preparing for the serious business of honing their emergency communications skills. Field Day gives Amateur […]

Ham Radio station portable go-kit
Events

Field Day’s Approaching—What’s in Your Go-Kit?

For many civic-minded individuals, Ham Radio is more than a hobby. It is a means of providing vital communication when disaster strikes. When all else fails, communities in crisis can […]

kenwood ham radio transceiver and power supply, with tuner
Technical Articles

7 Tips on Buying/Selling Used Ham Radio Gear

Amateur Radios are a lot like automobiles. You can buy stripped-down basic models at lower cost or splurge on full-featured models with all the bells and whistles. And, just like […]

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 […]

ham radio rf amplifier collage
Technical Articles

Mailbag: Is it OK to Run an Amplifier on 120 Volts AC?

Question: Is it OK to run an amplifier on 120 volts AC? This is a question that many new Amateurs ask themselves when they’re buying their first amplifier. There are […]

ham radio operators working during a field day
Events / Field Day / Technical Articles

4 Tips for Operating a GOTA (Get On the Air) Station on Field Day

One of the coolest parts of ARRL Field Day is watching a new licensee get on the air for the first time. Many longtime Amateur Radio operators can remember the […]

sideways portable yagi on a hilltop
Products & Product Reviews

14 New Products at DX Engineering for September 2025

We’re introducing a new feature on OnAllBands. With so many products being added to DX Engineering’s lineup of 3o,ooo-plus offerings from more than 180 manufacturers, we’ll be providing quick snapshots […]

man installing a ham radio in a truck
Technical Articles

Mobile Installation Pitfalls—3 Tips for Avoiding Common Mistakes When Equipping Your Vehicle with Mobile Ham Radios

I often get compliments on my ham radio mobile install, which I wrote about last month. The compliments are usually a segue into a conversation about amateur radio mobile radio […]