Zinc creep and electroplasticity
Why Arecibo collapsed.
Hackaday

What’s new at Digital Library of Amateur Radio & Communications
The 50 MHz DX Bulletin, the Ohio/Penn DX Bulletin, Numbers & Oddities Newsletter, The Telegraphic Journal and Electrical Review, and more.
K6KJN & Zero Retries

HamSpace.me: The social media alternative for the Ham Radio Community
HamSpace.me is looking for a new maintainer. Contact KI6DTC if you can help.
HamSpace.me

Open Source FT8 transceiver
A highly portable stand-alone FT8 GUI Transceiver.
WB2CBA

How to build a radio
Using analog tech to teach kids about STEM.
LAist

Slinky antenna revisited
It was soon discovered that connecting two Slinkys end-to-end significantly boosted the antenna’s efficiency.
K0PIR

WKHS makes international contact with Amateur Radio
Chris Singleton, broadcasting teacher and manager of the high school’s radio station 90.5 FM WKHS, introduced students to Amateur Radio.
Radio World

Video

The haunted band workshop
A presentation, review, and Q&A for proposed rulemaking to the US FCC for Restoring Amateur Radio Service use of the 219 MHz Band.
Open Research Institute Inc.

Radio receiver using old TV tubes
Superregenerative FM / VHF radio receiver using electronic tubes PCF82 and PCL85.
Perian Marcel

Introducing the Faraday Cloth Antenna
The Fara-J – a cutting-edge 2m-70cm Ham Radio antenna crafted from Faraday cloth.
Ham Radio Rookie