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 ...

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.

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 ...

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 ...

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 ...

Story has been updated with additional information. The developer of HD Radio has something to say when it comes to the performance of receivers and efficient uses of wireless spectrum — namely that ...

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 ...