This spectrum analyzer project seeks to improve the quality of tools available to amateur radio operators. A lot of thought has gone into the design, and those details are shared in the verbose ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

Each one is a self-contained closed-loop actuator, available across a wide spectrum of price and torque ... They are mechanically similar to the RC hobby servos we all know and love: a gearmotor ...

(Bloomberg) -- Senate Republicans are considering a massive sale of radio spectrum intended to generate billions of dollars to help pay for President Donald Trump’s agenda and free up airwaves ...