Custom Requests

Don't See What
You Need?

Tell us what you want to build. If it fits the catalog, we'll build the guide. Builder requests are how half this catalog got made.

Instant Digital Download
Works 100% Offline
Builder-Written
All Sales Final
Top Rated Seller

Submit Your Request

Fill out what you're looking for. We read every submission. If it's a fit for the catalog, you'll see it announced in the Build of the Week section on the homepage.

Requests don't guarantee a product will be built — but every one gets read.
No spam. Your email is used for follow-up only.

Request Received

We've got your submission. If your request fits the catalog roadmap, we'll build it — and you'll see it announced on the homepage Build of the Week section.

Browse Current Catalog

How It Works

01
Submit your requestTell us the topology, transistors, power level, and what you're trying to accomplish. The more specific, the better.
02
We evaluate itEvery request gets read. If it's technically sound, fills a gap in the catalog, and fits the Hood's Finds standard, it gets queued.
03
It becomes a real guideFull 11-section treatment — theory, BOM, SVG schematics, interactive calculators, step-by-step build, troubleshooting. The whole thing.
04
Announced on the homepageNew guides get featured in the Build of the Week section. The catalog grows based on what builders actually ask for.
Popular Request Topics

Click any tag to pre-fill the category.

4x2SC2879 push-pull 813 tube linear GaN broadband HF 6-pill CB Class C 5/8 wave CB antenna Pi network calculator 40m CW QRP 3-500Z GG amp MRF300 push-pull Drake L-4B repair Henry 2K-4 schematic LDMOS 1kW HF

Already in the Catalog?

With 48+ volumes live, there's a good chance what you need is already built. Search the full catalog before submitting.