I am almost ready to experiment with diversity reception. My latest project is a dual wideband loop controller which works well. Read more
Revised LZ1AQ Amplifier PCB Up and Running
Shortly after Christmas, I finally got around to building and mounting my revised LZ1AQ amplifier for a wideband loop. My previous PCB design contained less features and required an outboard cable connection. Read more
Prusa MK3S IR Filament Sensor
Your Prusa 3D MK3S IR Filament Sensor may need a bit of tweaking to work properly, as I describe in this article. Read more
Thinking About Anonymity
I have been thinking about anonymity, which we used to assume by default. Now, it’s exactly the opposite. We have to work hard to be anonymous, if we even can. Read more
Prusa MK3S First Layer Calibration
Prusa MK3S first layer calibration takes a bit of work. But once accomplished, this machine works like a charm. Read more
Remember Heathkit Assembly
Pretty much every radio amateur of my generation will remember Heathkit assembly. We built and used these electronics kits for many years. Read more
Putting My Original Prusa Kit Together
Welcome to 2020! I will start the year putting my original Prusa kit together. Read more
Prusa i3 MK3S – My New 3D Printer
My final choice for a new 3D printer is the original Prusa i3 MK3S, which I have purchased in kit form. If I canĀ build it properly, should be great. Read more
New 3D Printer Options Considered
So, now that I have decided to replace my Sunhokey 3D printer, what are my new 3D printer options? And, with so many choices, what are my selection criteria? Read more
SWL Handbooks Remembered
SWL Handbooks provided me with a useful reference for broadcast schedules. Equipment reviews really got my attention, though. Read more









