Technical Articles

Technical Articles

How to Put up a Field Day Tower Safely

Field Day (June 22and 23, 2019) is almost here and the planning is underway — for radios, tents, food, antennas—and how to keep them up!  You may be lucky and […]

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 […]

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 […]

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 […]

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 […]

Technical Articles

Video Tech: Establishing Hot Spots for Your D-Star Radio

Ken, KA8ODA, is DX Engineering‘s digital mode specialist. In this video, he takes you through the hows and whys of establishing a hot spot in your home. “What a hot […]

Technical Articles

Tips for Handling Fiberglass Tubing for HAM Radio Applications

Many amateur radio projects use fiberglass tubing and there are some precautions you should take when handling it. When the tubing arrives – before you open the box – be prepared. There […]

Technical Articles

Guide to Amateur Radio Frequencies and Bands

Many hams equate frequencies and bands with colloquial usage. Therefore VHF is 2 meters, specifically 144 to 148 MHz, and HF is 160 through 6 meters, just like on our […]

Technical Articles

Copper Strap vs. Copper Braid in Amateur Radio Grounding

Tinned-copper braid has been around for a long, long time. It’s been used in many grounding applications because of its flexibility and ease of soldering. It’s great for grounding radio […]

Technical Articles

The Importance of Weatherproofing Lightning Protectors

Most amateur radio operators (hams) know they should weatherproof any coaxial cable connections that are outdoors to prevent moisture entering your coax connectors. However, many hams don’t realize you must […]