Category: homebrew

Backpack SDR: A modular QRP SDR Transceiver

Edited 12/13/20 to reflect the move to Groups.io from Facebook Today I wanted to post about a new SDR project called “Backpack SDR” that’s taking shape. Since August, Keith Myles, VE3IFT has been sharing pictures of his Backpack SDR transceiver project on the Amateur QRP Radio group on Facebook: What is the Backpack SDR? The …

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Cheap Soldering Iron: Which one?

This article was originally published in January 2017. It has been updated. In this entry we’ll talk about my search for a cheap soldering iron. I’ve been burning myself with cheap soldering irons since I was about 10 years old and I taught myself various bad ways to solder. I’ve dabbled in electronics here and …

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Windy Weather Antenna Damage: Fix + JS8Call fun (Video)

In this video we look at what happened to my antenna in a winter storm and build an antenna mast for with less than $10 worth of material. Then we head over to the computer and try it out with JS8Call. Come watch, it’ll be fun! Links mentioned in video: L-Match How To: https://miscdotgeek.com/qrp-l-match-tuner-build/ Jackite …

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Experimental Methods in RF Design is on Clearance

Hey everyone, just a short post to let you know that Experimental Methods in RF Design (EMFRD) is now on clearance at the ARRL’s store for just $20. This is an incredible deal for anybody who’s the least bit interested in Amateur Radio home brewing. Where to get EMFRD You can get it right now …

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Salvaging old CB’s for QRP Parts: Part 4

In the previous three installments, we tore down two old CB’s and an even older tube based CB linear amplifier. Those teardowns were a lot of fun and a great way to look at the way things used to be done before frequency synthesis took over. In this final CB teardown, we’re going to look …

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Salvaging old CB’s for QRP Parts: Part 3

In this third installment of Salvaging old CB’s for QRP Parts, we’re taking a slightly different turn. I still have another CB to tear into for the next post, but for this one, we’re changing it up a bit. Pictured below is a Mystery Box Thing that I purchased at a garage sale. It was …

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Salvaging old CB’s for QRP Parts: Part 2

Welcome to the second installment of “Salvaging old CB’s for QRP Parts”! In part 1 of this series, we described how we found a bin of CB radios and accessories at an estate sale some time back. The first radio we salvaged for parts was a Pace CB 145. The radio was disassembled to see …

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Salvaging old CB’s for QRP Parts: Part 1

About three years ago, I stopped at a garage sale on the way to a friends home. It turned out to be an estate sale full of goodies for a guy like me, always looking for things that can be used or repurposed. I spotted a red bin with a bunch of cables and wires …

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Ham Radio Homebrew Hack Chat with ZL2CTM on 3/18

On Wednesday 3/18 at 12pm PST (1900Z) there will be a Hack Chat over at Hackaday.io with Charlie Morris, ZL2CTM. If you haven’t watched his videos on YouTube, they’re definitely worth checking out. Charlie goes into great detail about the design and construction of his radios, and there’s a project for any level of builder. …

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Excellent QRP, Homebrew, and DIY YouTube Channels Worth Checking Out

In this post, we’re simply going to show you some YouTube channels that you should check out, and subscribe to them if you like them. First up is Mark, G0MGX. His channel focuses on QRP Homebrew, and he has a great approach to how he builds. Here has an excellent series on scratch building a …

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