Urban HF Noise
Over the past 30 years, HF radio noise in urban areas has steadily increased. S6-S9 noise levels are common, which makes it hard to listen to the signals we want to receive. Rowetel
Radio controlled pacemakers are easily hacked
Doctors use RF signals to adjust pacemakers so that instead of slicing a patient open, they can change the pacemakers parameters which in turn avoids unnecessary surgery. Hack A Day
Adding ethernet lightning protection to the shack
The whole idea with isolation is to reduce the vulnerability of the on-board Flex-6700’s Ethernet adapter to stray static or electrical charge energizing a CAT6e cable. K9ZW
Shifting to Linux
Maybe you are surprised to find a Windows vs Linux reading in 2017. EA4EOZ
A tour of the QB50 Cubsat Constellation
There are some unexpected Amateur satellites in the recording, as they happened to be over the horizon at the time of the pass. Daniel Estévez
GPS timing for JT modes
Not many amateurs use GPS timing instead of a NTP internet timing. PE4BAS
Motorcycle mobile ham radio installations
Descriptive overview of two motorcycle mobile amateur radio installations: 2013 Zero S electric motorcycle with Yaesu FTM-10R radio and Comet SBB-5 antenna, 2003 Honda VFR800 with Yaesu FT-60R radio and Comet HP-32FHN antenna. KA5D