Ham Radio Duo

5,389 km on 5 Watts: Backyard PebbleHF Fun

5,389 km (3,348 mi) on a radio I built, 5 watts, and a wire in a tree! 🌳 Backyard PebbleHF Fun! 📻 We had a blast with the PebbleHF yesterday! We...

Pebble HF Field Reference by Steve KV4AN

Steve, KV4AN, put together a fantastic two-page (front and back) field reference for the Pebble HF. It's a handy cheat sheet covering the radio's...

Important: CW Receive Bug Fix for Pebble HF (v1.0.7)

We've found and fixed a critical firmware bug that affects CW receive on the Pebble HF. The bug could cause received CW signals to be very weak — or...

Print Your Own Pebble HF Case

Printed by Joshua, N5FY Here are the files to print your own case for the Pebble HF. You can print them in any color you choose, add your callsign,...

Pebble HF: Now Shipping!

We realized that while we announced Pebble HF on YouTube about 2 months ago, we somehow forgot to post it here on our blog. Oops! So here it is —...

Print Your Own Case for The Just OK Mini

If you have one of our Just OK Minis, the ridiculously small 20m antenna, and a 3D printer, you can print this little case we made for it. just ok...

The Contraption - 3D Files Available for the Preview Version

The Contraption is a 3D printed case for creating a handheld HF radio out of a QRP radio + battery + antenna. It is ridiculous, but fun. With the...

KX2 vs Budget CW RIGs

We took an Elecraft KX2 into the field and put it up against three less expensive CW rigs. Was the KX2 worth ten times the price? We ran POTA...

Huntsville Hamfest: Why we ❤️ it!

A summary of Hamfest 2025 from our perspective, as morse code lovers who camped for the full experience. Huntsville Hamfest: Why We Love It! Have you...

Sunset to Moonlight 🌙 Morse Code POTA

We had a fun POTA starting at sunset and ending after dark. Testing a prototype antenna at Joe Wheeler State Park Hello to all our CW friends! This...

New ultra-portable 20m antenna: pre-order

We designed a pocket sized, ridiculously small antenna for the 20 meter band in amateur radio. We initially created this page for people to sign up...

Hamfest Preview: Radio Museum!

Explore the Signals Museum in Huntsville This week we had the honor to meet and interview Dr. Marc Bendickson who is the collector behind the new...