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Ham Radio

Articles covering topics of interest to the amateur radio community.

Take charge of logging.

Mastering QSO Logging: Cabrillo and ADIF Formats Made Simple

Posted on January 22, 2025January 22, 2025 by Eric Hendrickson

If you’re serious about ham radio contesting or exchanging logs with other operators, mastering Cabrillo and ADIF formats is essential. These formats are the standard used for submitting contest entries and exchanging data between logging programs. While they serve different purposes, both require attention to detail to ensure your logs…

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Winterheat Simplex Event: The Perfect Contest for New Hams

Posted on January 6, 2025January 16, 2025 by Eric Hendrickson

The world of amateur radio gives us lots of exciting opportunities to test our skills, connect with fellow operators, and play with our toys. One such event that stands out for its accessibility and inclusivity is the Winterheat Simplex Event. Designed with simplicity and community in mind, this contest has…

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Winter Field Day 2025

Mastering Winter Field Day: Tips and Strategies for Ham Radio Operators in Adverse Conditions

Posted on December 30, 2024January 8, 2025 by Eric Hendrickson

Winter Field Day is an annual event that challenges amateur radio operators to set up field stations in remote locations during the last full weekend of January. The upcoming Winter Field Day is scheduled for January 25th and 26th, 2025. Organized by the Winter Field Day Association (WFDA), the event…

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Solar Flux and HF Propagation

HF Propagation: How Solar Flux and the Ionosphere Shape Radio Communication

Posted on December 17, 2024January 8, 2025 by Eric Hendrickson

HF propagation—the ability of high-frequency radio waves to travel long distances—relies on the complex interaction between solar activity and the Earth’s ionosphere. At the core of this process is solar flux, which drives ionization of the ionosphere and determines how effectively radio signals are reflected back to Earth. In this…

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Ham Radio Gift Ideas: 10 Picks for Any Budget

Posted on December 13, 2024January 8, 2025 by Eric Hendrickson

It’s always a nice surprise when I open a gift and find out that it’s something to do with my beloved ham radio hobby. It is super thoughtful when friends or family take the risk and buy something they may not know anything about just because it’s something they think…

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Graphic: Understand LiFePO4 Charging

When Solar Isn’t Enough: Charging LiFePO4 Batteries From the Grid

Posted on December 5, 2024December 11, 2024 by Eric Hendrickson

My Gear of Choice: Jump below to see What Gear Makes the Cut in my Ham Shack As a licensed ham, I rely on lithium iron phosphate or LiFePO4 batteries to keep my gear running 24 hours a day. In fact, I am continuously on backup power. I have utility…

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Phonetic Alphabet for Ham Operators

Master the Phonetic Alphabet: Pronunciation Guide and Easy Reference Table

Posted on December 2, 2024December 2, 2024 by Eric Hendrickson

One of the most valuable tools for ensuring clarity over noisy channels is the phonetic alphabet. This standardized system replaces potentially ambiguous letters with easily recognizable words. For instance, saying “Alpha” instead of “A” helps minimize confusion caused by static, poor connections, or accents. The phonetic alphabet currently used by…

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Ham radio in stem education

Ham Radio and STEM Education: Building Skills, Character, and Opportunities for the Future

Posted on November 30, 2024January 8, 2025 by Eric Hendrickson

Amateur radio has long been a fascinating hobby for technology enthusiasts and communicators worldwide. However, its potential as an educational tool is often overlooked. Now, by integrating ham radio and STEM education programs, educators are offering unique, hands-on learning opportunities that bridge theoretical concepts with real-world applications. From understanding the…

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Rough and stormy seas with text overlay “Amazing rescues in the early days of emergency communications.”

5 Amazing Rescues: How the Wireless Telegraph Revolutionized Early Emergency Communications

Posted on November 28, 2024November 28, 2024 by Eric Hendrickson

Revolutionizing Emergency Communications The invention of Guglielmo Marconi’s wireless telegraph in the late 19th century ushered in a new era of communication. Before Marconi’s breakthrough, sending messages required physical wires or reliance on slower methods like semaphore, carrier pigeons, or written correspondence carried on horseback. Marconi’s invention fundamentally changing how…

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Selecting a new rig can be overwhelming. Let's break it down.

6 Important Features to Look for in a Dual-Band Mobile

Posted on November 22, 2024January 24, 2026 by Eric Hendrickson

Shopping for a new dual-band mobile ham radio can feel overwhelming, especially with so many options on the market. Whether you’re a seasoned operator or a newcomer to amateur radio, finding the right VHF/UHF dual-band transceiver is essential not only for reliable performance, but for your own personal satisfaction as…

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Eric Hendrickson

eric@w6hs.net

Retired tech nerd and licensed Amateur Extra.

These days I spend my time playing with gadgets and writing about the technology that I find so fascinating.

I share opinions, review products, and brainstorm ideas along the way.

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