Modifying magnetic mobile antenna mount to accept radials
Spots into Europe on 40m seem to suggest it works well.
AE5X

How to self-spot off-grid for SOTA/POTA using HF
The answer lies in a phone app called SOTAmat.
Ham Radio Outside the Box

Forensic analysis of the Arecibo collapse
Blame it on the sockets.
Hackaday

Repeater World
Open Source and Open Data repeater directory.
Repeater World

DX in a hurry: An ode to DXing and FT8
Tips on how to work a lot of DX in a hurry.
N6CTA

QO-100 on FlexRadio
Accessing QO-100 on a FlexrRadio 6700.
G7UFO

Fun with HamClock
Unused 32 inch TV earmarked for HamClock.
N1FD

Knife-edge effect in 2m and 70cm
You can be surrounded by mountains and still reach far with their help.
EA5IYL

Best QRP transceivers for operators who are blind/visually-impaired
The Elecraft KX3 is loved for the CW read outs and tactile buttons/knobs.
QRPer

Video

How to Slinky antenna
How to make a Slinky HF Antenna using Xiegu G90 and a Slinky to work France.
W6IWN

Ham Radio operations over smoke-filled Cascade Mountains
This flight takes us from Tacoma Narrows Airport (KTIW) to Twisp Airport (2S0) in the Methow Valley.
W7NY