Even if you only make occasional circuit boards, a miniature drill press is a great tool to use. With a 3D printer you can make your own for a few dollars. Read more
Apollo 11 Radio Communications Remembered
It’s been fifty years. Let’s recall Apollo 11 radio communications systems, including the wonderful Unified S Band and local VHF that really worked. Read more
Loop Transmission Line Shielding
Proper connection of my CAT7 provides loop transmission line shielding for lower noise reception at my location. My loop now performs properly on lower HF and below. Read more
Russian Radio Hacking Since the Cold War
You can learn a lot about Russian radio hacking dating back to the 1950’s. This new book is all about electromagnetic radiation, RF flooding and other weird espionage techniques. Read more
Initial Wideband Loop Testing
My initial wideband loop testing shows reasonable MW and Lower HF performance, but I need to address shielding and impedance matching to prevent the CAT7 from acting as an antenna. Read more
3D Printing Experience – Four Years Along
My 3D printing experience has been great. Probably the best tool I have every used. The range of things you can do with these printers is amazing. Read more
Solder Paste Dispensing Tips – Lee Valley Provides
If your solder paste tube comes with a 14 gauge needle, you can get some smaller solder paste dispensing tips from Lee Valley, the woodworking supplier. Read more
3D Printed Solutions for Magnetic Loop Antenna
Have you ever tried to attach a nut inside a small diameter tube? How about a one-of-a-kind mounting bracket? 3D printed solutions are magic. Read more
Magnetic Loop Compendium – Summary of Work
For the past five years I have experimented with magnetic loop antennas. I thought it was time to publish a magnetic loop compendium of my work, complete with links to all articles. Read more
Reading Newspapers Online – No More Print
Recently, we dropped our newspaper print edition subscription and moved to reading newspapers online. And, along the way, saved $25 a month. Read more