JTTY: A WSJT-X mode that ignores the clock
K1JT and the WSJT team release WSJT-X 3.2.0-rc1 with JTTY, a weak-signal keyboard mode built for RTTY contesting.
DXZone

Projects find hidden SDR capabilities in ESP32 microcontrollers
Several ESP32 models can now be used as an internal SDR covering 2.2–2.7 GHz, plus 4.8–6.0 GHz on the ESP32-C5, with up to 80 MS/s sample rate and roughly 13–54 MHz of analog bandwidth, depending on the chip.
RTL-SDR

Successful M17 transmission using an unmodified Retevis C62
The most important thing is that the C62 radio is available at about $45 and does not require any hardware modifications to run the M17 mode.
M17 Project

What’s new at Digital Library of Amateur Radio & Communications
We scanned 179 issues of The Cornell-Dubilier Capacitor. This was a technical/service newsletter for the radio and TV repair trade published by Cornell-Dubilier Electric Corp., another capacitor manufacturer. The Capacitor was published from 1937 through 1964; we have issues spanning 1939-1960.
Zero Retries

Call sign grace period: A hard lesson learned
Don’t forget to pay the renewal fee!
K4HST

GOGUFW Messenger
Turn a $25 Quansheng UV-K1 into a radio-to-radio text messenger.
HamRadio.My

JS8Mail
Reliable offline-first radio mail above an unmodified JS8Call instance.
Steve Netting

Leo.space
Track launches, satellites, weather, and space communications from a single command center.
Leo.space

W2PH streaming radio
A premier internet radio station featuring classic rock/oldies 24/7 streaming with live DJ sessions.
W2PH Radio

Pi Pico recreates the Heathkit Pocket Packet
Once upon a time, you might have squirted data about the airwaves using something like the Heathkit HK-21 Pocket Packet.
Hackaday

Upcoming Events

EN100NP on the Air to Honor 100th Anniversary of Symon Petlura
June 8, 2026

ISS SSTV Weekend Sprint
October 2, 2026

Fire Prevention Week Special Event Highlights Fire Safety
October 4, 2026

Zero Retries Digital Conference 2026
October 16, 2026

Video

Testing the DX Launcher
The DX Launcher is a high-performance compressed air antenna launcher designed to send weighted tennis balls over tall trees with precision and ease.
KB9VBR

Massive vintage radio collection now on display
Daughter keeps her hero father’s memory alive.
WTVR

Department of Public Safety recruiter reaches across the globe
As a Ham Radio operator, he extends his talkative nature to people around the world. Listen as he chats with people on the Eastern Seaboard
Minnesota Department of Public Safety

The Yagi turns 100
Let’s look at what led up to the invention and what has happened since.
W8WWV