Blackout is the story of quite possible, increasing probable power system hacks that succeed in bringing down complex systems of systems in our modern world. Read more
LZ1AQ Loop Amplifier – Breadboard Version
The LZ1AQ Loop Amplifier looks like a stable solution for my wideband magnetic loop project. Time to test a prototype on a breadboard. Read more
Chinese Detective Stories – Move Aside, Sweden
What’s it like to be a cop, or even just live, in modern China? These Chinese detective stories will give you a taste, and different experience. Read more
Head End Instability – LTSpice Limitations
LTSpice limitations can bite. The macro models used in simulation don’t sufficiently take into account parasitic and circuit layout effects that can haunt you down the road. Read more
Dual Base Amplifier for Wideband Loops
My dual base amplifier is built to match remote wideband loops to a coherent two-channel receiver. Implemented with wideband FET op amps, performance is great. Read more
Wideband Loop Initial Build – Mixed Results
Good news, bad news. My wideband loop initial build sort of works, but the transimpedance amplifier has stability problems. Read more
Learn Hot Air Soldering – Practice First
If you want to learn hot air soldering, you need to practice first. I didn’t and that was a mistake. What looks easy on You Tube videos takes some effort to learn in real life! Read more
Favorite Ham Radio Magazine Issue March 1978
What were you doing in March 1978? I was reading my favorite Ham Radio magazine issue of all time. Read more
ThinThread – Modern Traffic Analysis
ThinThread is a compelling story about modern traffic analysis: how to use meta data to gather and analyze intelligence without reading the messages themselves. Read more
Path Dependent RFI Tools – Use Them All
Path dependent RFI tools include ferrite chokes, power line filters and noise cancellers. Using these can make all the difference between listening to signals and listening to interference. Read more