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 ...

Last month, in part one of Radio Prepares for War we looked at the National HRO receiver, which set the bar for the standards required by military radio communications. The HRO was a superb receiver ...

Researchers at the Georgia Tech Research Institute have patented a discovery that could significantly increase reliability and reduce cost in equipment that helps protect US military aircraft from ...

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 ...

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 ...

Marked: "Tuner Air / R.A.F. Type 10 / No. A/621 / General Electric Co., U.S.A. / N.P. 18119", and "Control / NP 17987-E / 17987-F". World War I era military unit, a two section receiver consisting of ...