Search Results for: power supply

monitor sensors power and swr meter front panel
Product Reviews

New Product Spotlight: Review of the Monitor Sensors Power+SWR Meter

Editor’s Note: We had longtime ham and guest blogger Wayne Smith, K8FF, put the Power+SWR Meter from Monitor Sensors through its paces, assessing its design, ease of use, functionality, and […]

Portable Generator
Field Day / Technical Articles

Gearing Up for ARRL Field Day 2022 Part 3: Batteries, Generators, and Power Supplies

One of the exciting aspects of Field Day is the challenge of operating with power sources you’re not accustomed to using, including batteries, generators, and solar panels—even water-driven, bicycle-powered, or […]

samlex 12 volt power supply
Products & Product Reviews

Linear Versus Switching Power Supplies—A Few Options for a Successful Field Day

In previous Word of the Day posts, we discussed two common power sources for portable operations on Field Day—batteries and generators. Today, we’re going to take a brief look at […]

samlex battery guard module
Products & Product Reviews

Choosing Battery Power and Accessories for Ham Radio Field Day

One of the great things about Field Day (June 27-28, 2020) is that it gives you an opportunity to stray from your comfort zone, especially when it comes to using […]

a pair of mobile ham radios set on a desk
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. […]

Aurora phenomenon taken from space station
Technical Articles

Are EMPs a Real Threat to Ham Radios?

When someone mentions electromagnetic pulses (EMPs), we conjure visions of nukes, terrorists, Starfish Prime, and Armageddon. Would your ham radio be in danger? Statistically, your radio is more likely to […]

dx engineering canopy shelter tent
Events

Field Day Gear Part 1: Hams Share Their ARRL Field Day Must-Haves

In the weeks leading up to ARRL Field Day 2025 (June 28-29), OnAllBands will be featuring amateur radio equipment you’ll want to consider adding to your portable prep list. This […]

EA4TX AS2X2 Antenna Switch
Product Reviews

The Versatile EA4TX AS2X2 Antenna Switch: Two Radios and One Amp—No problem (Review)

The EA4TX 2×2 Antenna Switch (AS2X2) is basically a coax switch featuring two inputs and two outputs. The device boasts more than 60 dB of port isolation (82 dB on […]

dx engineering usb isolator installed
Product Reviews

New Product Spotlight: DX Engineering USB Isolator, Inline Surge Protector (DXE-ISO-USB)

Also, Check Out the New “Get Grounded” Shack Grounding Package from DX Engineering. Over the next few months, OnAllBands will be featuring brand-new gear you’ll find in the 2025 DX […]

VK9XU, VK9CU Ham Radio DXpedition Banner
Events

It’s All in the Cards! Mark Your Calendars for the 2025 VK9CU Cocos Keeling Islands DXpedition

It was Christmas in February and March for the six-operator VK9XU team as they activated Christmas Island (IOTA OC-002), an Australian territory in the Indian Ocean and the 67th Most […]