Here is a neat project I found at Matjaž Vidmar’s Website. The purpose of this project was to design an accurate radio altimeter with a dual-channel (quadrature) homodyne receiver. This new design ...

There is a certain charm to older electronics gear. Heavy metal chassis and obviously hand-wired harness can be a work of art even if they would be economically impractical for most modern gear.

It's easy to become bored spending time in airports. After all, you can do only so much work on a notebook computer with no reference material around. So, relax and have some fun at the airport–build ...

Marked: "Signal Corps, U.S. Army / Airplane Radio Receiving Set / Type SCR 59 / Serial No. [blank] / Order No. W4076 / Made by Western Electric Co., Inc." Plate on ...