Enhancing the Amateur Radio Hobby

SignalStuff is dedicated to advancing the Amateur Radio hobby, primarily through tools and technology to help with study and licensing. Every purchase supports our mission to provide quality resources for everyone.

We created HamStudy to help aspiring hams and those wanting to progress in the hobby get ready for their license exams.

Go to HamStudy.org

ExamTools gives VE teams the software they need to administer exams with integrity and efficiency, both in-person and remotely, computerized or on paper.

Go to ExamTools

We sell Amateur Radio antenna products such as our popular Super-Elastic Signal Stick™ to fund software development and keep our software tools available for everyone.

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FREE shipping in the US on orders over $50.

Only valid for orders under 1lbs.

Domestic shipping only; international shipping will be calculated during checkout. Heavier products such as the BNC Magnetic Mount or the Signal Staff™ OSJ excluded.

If it breaks, we will fix it.

Applies to all Signal Stick™ antennas.

All Super-Elastic Signal Stick™ antennas are sold with a lifetime warranty.

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Help me find the right antenna

For those who want a quick-change connector, also fits many older radios. You can use this with a SMA-F to BNC-F or SMA-M to BNC-F adapter to use with any radio! Also works great on the BNC Mag-Mount.

$22.00 - $29.00

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Super-Elastic Signal Stick™

SMA-F

This is the SMA connector that screws into the radio. The plastic cover screws down snug on most handhelds. Fits most Baofeng radios.

$22.00 - $29.00

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Super-Elastic Signal Stick™

SMA-M

This is the connector that screws onto the threads that jut out of your radio — note the gender is determined by the center conductor, not the threads! Fits most Icom, Yaesu, Kenwood radios.

$22.00 - $29.00

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HamStudy is designed to work with any study method to help you focus your study efforts, make the most of your time, and be ready for your license exam.

HamStudy App

SignalStuff and the HamStudy.org team are focused on providing powerful study tools for everyone. For this reason, the HamStudy.org online study website is and will always be absolutely free!

For those of you who want to support our work and for anyone who needs the freedom to study without an internet connection, check out our mobile apps!

About SignalStuff

In a world where Amateur Radio ought to be on the cutting edge of technology, far too often hams are seen as being “old school” and “behind the times.” There's no part of the hobby where this is more painfully obvious than in that of amateur radio license study and examinations.