I’ve been told all my life about old-timey Army/Navy surplus stores where you could buy buckets of FT-243 crystals, radio gear, gas masks, and even a Jeep boxed-up in a big wooden crate. Sadly this is ...

The project was designed to create an accurate radio altimeter with dual-channel homodyne receiver intended as a landing aid for small general-aviation aircraft equipped with synthesized-voice human ...

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.

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 ...

Here’s what you’ll learn when you read this story: A deep sea exploration group has restored a radio identical to the one used by Amelia Earhart in her final flight. The researchers suggest they’ve ...

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 ...