But what principles of the electromagnetic spectrum allow radio to work, and how do antenna design, modulation, and mixing affect it? [Michał Zalewski] aka [lcamtuf] aims to inform you with his ...

Imagine taking the radio frequency properties of the dish antennas you see on rooftops and knitting them into a wearable garment—a sweater or a blanket that is ultralight, portable, easy to fold ...

There’s an old saying in the amateur radio community that when it comes to antennas all you need is a piece of wet string. This may be a little fanciful, but it’s certainly true that an ...