Article showing how I’ve made a mains filter to reduce EMC in the electricity supplying my shack. I’ve used a type 31 Fair-Rite ferrite core and the video shows how this performs on 160m through to 40m.
Article and video showing a technique to straighten Microbore copper pipe that is useful in antenna construction. This technique has been implemented to build a Quadrifiliar Helix antenna.
Home page for the TARPN node design and promotion. This is an Off-The-Grid Text messaging and educational packet networking project. No Internet required or desired.
Manfrotto shoulder bag Amica 25W can be used as a low cost carry bag for Elecraft KX3.
Building the double size G5RV antenna, part list, assembly part, dimensions and assembly instruction in a pdf document
Skin effect and proximity effect on making coils with stranded wire. An interesting comparison on making coils.
An article describing basic concepts of antenna radiation, and in particular directional antennas like Yagi antennas or Quad antennas and how they determine the direction or signals.
A 30 Meter Quarter Wave DIY Ground Plane Antenna that loads up nicely also on 12 and 6 meters
A home made 4 element yagi antenna that can be easily adapted for 10 meter band