Reduce HF noise with Faraday Cage for switching power supplies
The results are very promising with the shielded supply eliminating the noise almost entirely.
rtl-sdr.com

“RF Seismograph” may be real seismograph
Alex Schwarz, VE7DXW, in British Columbia, Canada, is exploring the possibility that “RF signatures” detected by the RF Seismograph propagation tool could also be indicating earthquakes, and may even be able to predict them shortly before they occur.
ARRL

FreeDV QSO Party 2019
April 27th 0300z to April 28th 0300z 2019. This is a great chance to try out FreeDV and work Australia using open source HF digital voice.
Rowetel

Does WiFi kill houseplants?
Spoiler alert: No. To come to that conclusion, Andrew McNeil ran a pretty neat little experiment.
Hack A Day

Ultimate crimp guide with photos
Common wire-to-board, wire-to-wire connectors, and crimp tools.
Matt’s Tech Pages

In-depth: Ham Antarctic expedition
Between January 14 and February 18 I have been away from home on a research expedition to Antarctica. Several people have asked me for a post detailing my experiences.
Daniel Estévez

WiFi RF as art
The installation represents four open Wi-Fi Internet access points. By connecting to these points, visitors to the exhibition influence directly, through their network activity, a rhythmic sound generation process.
vtol

Ailunce HD1 Codeplug
If you are like me and just want to use your HD1 with a Jumbo Spot (or any hotspot) this is the easiest codeplug you’ll ever find.
K0PIR

LTE on Ham Bands in Austria
The goal is to use SDR and OpenLTE software to develop fast data transfer from 70cm upwards.
Southgate

Video

How to decode POCSAG & FLEX using an RTL-SDR Dongle
How to decode POCSAG & FLEX pager messages.
M6LME

Explained: The first geostationary satellite for Ham Radio
We take a look at the Ham Radio transponders of the new Es’Hail 2 Satellite.
Tech Minds