Recent Posts

circuit boards inside a ham radio
Clifton Labs

Replacing the Memory Backup Battery in a Harris RF-590 Receiver

(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).) I recently acquired a […]

Technical Articles

Tips for Battery Replacement in Computers, Radios, or Lab Equipment

Due to the lower cost and better performance of non-volatile memory, it is now a common feature of microcontrollers. This reduces the need for batteries to provide backup power to […]

HAM Radio 101

What is an Ethernet Filter?

From time to time our Word of the Day feature will focus on a unique product that benefits our fellow Ham Radio operators. Today, we look at the ISO-PLUS Ethernet […]

ferrite core winding
Technical Articles

How to Protect Wire from Ferrite

Before winding wire, particularly enameled wire, on a bare ferrite core, take steps to protect the wire from the abrasive ferrite’s edges and corners. If the core has an inside […]

Pitcairn Island VP6R DXpedition Logo

The Pitcairn Island VP6R 2019 DXpedition is Coming!

Start preparing to log Pitcairn Island, the least populous national jurisdiction in the world and the spot where, in 1790, mutineers from The Bounty settled after famously burning the ship. […]

9U4U Ham Radio QSL card from Burundi
Events / Photo Galleries

It’s All in the Cards: QSLs from Solomon Islands and Burundi

DXers will have a chance to put Solomon Islands in their log books this August. Michael, DL2GMI, is scheduled to be QRV on 80/40/20/15/10/6M from August 23 to September 2 […]

HAM Radio 101

Ham Radio and “International Goodwill”

One of the great things about Ham Radio is its ability to bring people together. If the propagation is right, an operator in Iowa can reach across the Atlantic to […]

Large array of ham radio antenna towers
Technical Articles

Ham Radio Outdoor Maintenance Tips (from the Ground Up)

My first Elmer was a laid-back guy. One of his philosophies about Ham equipment was, “If it ain’t broke, don’t fix it.” He was lucky most of the time, but […]

ARRL POTA Parks on the Air logo
HAM Radio 101

POTA (Parks on the Air) Overview

If you enjoy operating in the great outdoors, Parks on the Air℠ (POTA) provides opportunities to advance your portable deployment skills, win awards, rag-chew with like-minded Hams, and take in […]

West Mountain Radio Rigblaster module and CD-ROM
Technical Articles

CW Contesting (Part 2): Making QSOs for Real and Tips on Better Scores

In Part 1 of our series on CW Contesting, we looked at some of the basics of getting started. Today, we’ll delve further into making QSOs and tips on improving […]