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Recent Posts

Graphic: MeshCore Repeater Propatation Timing

MeshCore Repeater Deployment: Timing Considerations for Wide-Area Networks

Posted on November 21, 2025November 22, 2025 by Eric Hendrickson

MeshCore repeaters are showing up everywhere these days and I am thrilled to see it happen. As folks place these repeater nodes on high-rise rooftops, hillsides, and on ham and commercial towers, they’re discovering that the key to smooth wide-area repeater behavior isn’t just about height or terrain—it sometimes comes…

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Holiday Gift Guide 2025! It's here! My list of stuff to keep the geek in your life busy all year long.

Ham Radio Holiday Gift Guide 2025

Posted on November 17, 2025November 21, 2025 by Eric Hendrickson

For the Ham Who Builds, Hacks, and Tinkers Finding the perfect gift for a ham radio operator or electronics tinkerer doesn’t have to be a guessing game. This holiday gift guide highlights tools and gadgets that every maker, experimenter, and radio hobbyist will actually use—and love. From soldering stations and…

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Illustration depicting several nodes in a mesh network configuration.

MeshCore Trace Path: How to Map, Test, and Understand Your Network

Posted on November 14, 2025November 22, 2025 by Eric Hendrickson

The MeshCore Trace Path tool is one of many useful diagnostic features built into the MeshCore client. Similar to how the traceroute utility provides insight into TCP/IP networks, MeshCore Trace Path gives you visibility into how packets travel through the mesh network—whether you’re checking a single station or tracing a…

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The mesh is coming to Silicon Valley

MeshCore Deployment Lags in Silicon Valley

Posted on October 15, 2025October 22, 2025 by Eric Hendrickson

For a region that’s home to Silicon Valley innovation, it’s surprising and downright embarrassing how far behind the San Francisco Bay Area has fallen in MeshCore deployment and adoption. Across the Pacific Northwest, from Portland to Vancouver, operators are building resilient MeshCore networks that tie communities together with long-range, reliable,…

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HamSci is the scientific research extent of ham radio.

HamSCI: The Scientific Research Component of Amateur Radio

Posted on October 8, 2025October 8, 2025 by Eric Hendrickson

If you’re like me, you’ve always had a fascination with the way radio signals radiate from a source, travel through space, and induce a usable current in a wire far, far away. Ham radio to me is not just making the contact, but understanding the path, the conditions, the why…

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Ham Radio and the Search for MH370

WSPRnet Passive Radar and the Search for Flight MH370

Posted on March 31, 2025March 31, 2025 by Eric Hendrickson

Recently, I’ve been following some groundbreaking research suggesting that WSPRnet, the global network used by hams to log weak signal propagation reports, might have untapped potential as a passive radar tool. This revelation has taken on a particularly poignant dimension in the context of the ongoing search for Malaysia Airlines…

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Is MeshCore the reliable mesh network we've been waiting for?

What Is MeshCore? Off-Grid Mesh Networking with Inexpensive LoRa Devices

Posted on March 21, 2025November 16, 2025 by Eric Hendrickson

If you’re interested in off-grid communications with inexpensive hardware, there’s a new name you might be hearing more often: MeshCore. Launched just a couple of months ago, MeshCore is already generating buzz among amateur radio operators and open-source developers for its clean approach to decentralized mesh networking. But what exactly…

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Infographic: Birth of a Connected World.

10 Amazing Innovations in the History of Ham Radio

Posted on March 9, 2025March 9, 2025 by Eric Hendrickson

Our beloved ham radio hobby has a rich history spanning over a century, driven by countless technological advancements and the ingenuity of operators worldwide. These innovations have not only shaped the way we communicate but have also influenced the development of global telecommunications. From spark-gap transmitters to advanced digital modes,…

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Using APRS Part One: Digipeaters and Paths

Using APRS: Part One – Digipeaters and Path Settings

Posted on February 25, 2025February 25, 2025 by Eric Hendrickson

Most amateur radio operators probably think of tracking an object on a map when they hear the term APRS but it’s a whole lot more than that. APRS is the Automated Packet Reporting System and it is a powerful tool for situational awareness, emergency communications, and seamless global messaging. I’ve…

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Using APRS-IS to explore APRS.

Using PinPoint APRS with APRS-IS

Posted on February 24, 2025February 24, 2025 by Eric Hendrickson

If you’ve ever wanted to access the APRS network directly from your Windows workstation, PinPoint APRS is an incredible tool that lets you do just that. Whether you’re monitoring APRS traffic, sending position reports, or messaging with other stations, PinPoint gives you a full-featured APRS-IS gateway right from your desktop….

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Join the Ragchew!

If you're in the South Bay area, join us each Thursday at 7 p.m. on 146.520MHz for plenty of friendly conversation and helpful advice.

All licensed amateurs are welcome.

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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