Recent Posts

HAM Radio 101

What is an RST System?

The RST System is a way for Hams to let rag-chewers, CW enthusiasts, and DXers know the quality of signal they are receiving. RST stands for Readability, Signal Strength, and […]

DX Engineering receive 4 square radio array kit
Products & Product Reviews

Advantages of Receive Four-Square and Eight Circle Array Systems

For Amateur Radio enthusiasts interested in HF operation, short wave listening and AM DXing, there are several dedicated receive-only antenna options from which to choose, including the EWE, Flag, Pennant, […]

IK2QPR Ham Radio QSL Card from French Polynesia
HAM Radio 101

DXpedition QSO Etiquette

Today, we look a little closer at how to handle yourself when you’re one of many Hams attempting to make contact with a sought-after station. First, be courteous. Many Hams […]

DX Code of Conduct list
HAM Radio 101

What is the DX Code of Conduct?

Imagine that on your daily commute to work, every driver decided to ignore traffic laws and cast aside common courtesies. Pass on the right—why not? Bump a subcompact into a […]

DX Engineering hamfest banner ad, 2019
HAM Radio 101

Word of the Day: Flea Market

One of the highlights of any Hamfest is the flea market. Why? Because you never know what you’ll find—an old radio or misfit piece of amateur gear to add to […]

a multi-radio ham radio station diagram
Technical Articles

Using Transformers for Impedance Matching vs. Isolation

Transformers for Impedance Matching One of a transformer’s important functions is impedance transformation. Impedance transformation is just changing the ratio of voltage-to-current in one winding to a different ratio of […]

ham radio test equipment on workbench
Clifton Labs / Technical Articles

Audio Transformer Measurements and Modeling

(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).) This page presents […]

Icom IC-9700 ham radio transceiver
HAM Radio 101 / Products & Product Reviews

Word of the Day: ICOM IC-9700 VHF/UHF/1.2 GHz Transceiver

In our last Word of the Day column, we talked about the details of DX Engineering’s first Hamfest—a free event August 10, 2019, at the Summit Racing Equipment Retail Super […]

DX Engineering hamfest artwork 2019
Events / HAM Radio 101

DXE Hamfest Overview

Live in Ohio or a neighboring state? Looking for a road trip that will satisfy your Ham Radio and muscle car jones in one fell swoop? Then don’t miss DX […]

MFJ Voice Keyer module for ham radio
Technical Articles

Guide to Low-Power Contesting (Part 2): Techniques and Tips on Making QSOs

In Part 1 of our series on low-powering contesting, we looked at the basic equipment you’ll need. Today, let’s touch on a few tips on competing, contest resources, and opportunities […]