Category: homebrew

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading

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. …

Continue reading

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 …

Continue reading

The Bitx Easy: More Details Emerge!

5/10/20: Updated information here: https://miscdotgeek.com/bitx-easy-more-details-tentative-pricing-and-release-date/ In a recent post “The BITX40 is dead. Long Live the BITX40!” we talked about the demise of the HFSignals.com version of the BITX40, and offered some details about a different BITX kit that is coming out soon: The Bitx Easy. We’ve been able to get some more details about …

Continue reading

AF5HD’s L-Match Tuner Build

A fun project for every QRP enthusiast is an L-match tuner. We’ve built a couple here at MiscDotGeek and our latest build (shown here) inspired Billy Dunn (AF5HD) to build a similar tuner. We have to say, this one turned out better than ours did! The only trouble he ran into was that one of …

Continue reading

Toroid Tip #4: Counting!

As a collector of tips and tricks that I can use when building radio stuff. I’m also a writer and I love sharing knowledge. When Todd, N0IP shared a tip that I can’t believe I didn’t think of myself, I just had to write it up! For the other three tips, see the link at …

Continue reading