While classroom learning isn’t for everyone, one awesome benefit of the Internet is that you...

[Marius Taciuc’s] latest endeavor, the B4 Thinker, offers a captivating glimpse into microcontroller architecture through...

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Release Date: August 31, 2024 Here is a summary of the news trending This Week...

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This is a 1-hour version of the weekly podcast for This Week in Amateur Radio....

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STEM coursework is available without cost to learners of all ages from the U.S. National Science Foundation National Radio Astronomy Observatory, thanks to funding from the Amateur Radio Digital Communications

In the classic educational film titled “Electronics at Work,” produced by Westinghouse in 1943, viewers are introduced to the fascinating world of vacuum tubes. This film highlights the crucial role these devices played in both military and commercial sectors, including radio telecommunications, radar, and various industrial applications. The narrative suggests that vacuum tubes provided the […]

Read more at ARRL.org

In the classic educational film titled “Electronics at Work,” produced by Westinghouse in 1943, viewers are introduced to the fascinating world of vacuum tubes. This film highlights the crucial role these devices played in both military and commercial sectors, including radio telecommunications, radar, and various industrial applications. The narrative suggests that vacuum tubes provided the […]

Need to charge your tablet or laptop computer off-grid? This video shows you how to do it.

This tutorial explains how to modify Retevis Ailunce HD2's band for different IARU regions and outlines the advantages of DMR in ham radio, including text messaging.

The off-grid ham shack is fully energy self-sufficient, utilizing solar, wind, and other power sources, with a focus on low current devices for sustainable communication.

Radio enthusiast details QSO with GW4OZU using Icom IC-705, demonstrating JS8Call's efficacy in low-power HF communications.

Summary: Retevis clarified AES128/AES256 encryption for the HD2 and confirmed, IT'S COMING!

The Retevis Ailunce HD2 is finally here! Here’s a short preview of the highlights. A few weeks before this post was published, Retevis reached out [...]

An amateur radio operator explores how detailed weather data could predict HF band openings, leveraging temperature, pressure, and historical contact information while considering the impact of cold on equipment conductivity.

Integrating the Ruuvi Gateway and sensors to remotely monitor indoor/outdoor temperatures, ensuring safe temperatures for lithium battery charging. Off-Grid Ham Shack

To protect lithium batteries from cold while charging, a video/blog showcases using a Chinese diesel heater in an off-grid ham shack. It's vital to keep batteries above freezing, a lesson learned from electric cars in winter. The video details the installation and operation of a 3kw Vevor diesel heater, which also powers up using the ham shack's LiFePO4 batteries, maintaining ideal temperatures for both batteries and equipment.