So, what the heck is my NanoVNA vector network analyzer? Turns out it’s a pretty useful piece of test equipment, cheap too. Read more
Category: Projects
Understanding PCB Flatness – Essential for Milling
With a height map, your CNC should easily compensate depth of cut for variations in PCB flatness. Take a look at how this works. Read more
PCB Isolation Routing Success, Finally
Well, I am finally getting the hang of PCB isolation routing. My first early success makes me very happy indeed. Read more
Milling Copper Printed Circuit Boards
So, I have been slowly coming down the learning curve on milling copper printed circuit boards. I have lots to learn. Read more
Do Repairs Come In Threes?
My guess is that the only proof repairs come in threes depends on when you start and stop counting. My wife feels otherwise. Read more
Zoom Works Great – Remember NetMeeting?
In 2020, our video conferencing technology works well. But, do you remember NetMeeting and early attempts to video call and collaborate? Read more
Simple Cable Feed Through for Outside Antennas
Use your 3D printer to make a simple cable feed through for coaxial or Ethernet cable. Bring your antenna cables into the shack easily. Read more
Commercial LZ1AQ Antenna Amplifier
My commercial LZ1AQ antenna amplifier has arrived. You can read about my experience assembling and using this new system in the weeks ahead. Read more
Celebrate Delphi’s Quarter Century Today
Delphi’s quarter century has provided me with a great ride. Many hours of fun writing Windows applications, usually with a technical orientation. Read more
Handy Tool Holder 3D Printed
I finally got tired of loosing tools at my workbench, and 3D printed a handy tool holder to mount on a shelf right in front of my eyes. Read more