To boost your understanding synchronous detection, let’s examine the impact of selective fading, distortion and weak signals on the AM detector in your receiver. Read more
Tag: SWL
Legacy AM Receivers – How Envelope Detection Works
Before we explore synchronous detection, let’s make sure we understand how envelope detection works. After all, it’s been around for a century. Read more
Enjoy Synchronous Detection on your Shortwave Radio
Most new shortwave receivers let you enjoy synchronous detection. It is an important and very useful feature if you listen to AM broadcasting on medium and short waves. Let’s find out more. Read more
GNURadio SSB Receiver and Recording IQ Data
This article shows how to build a simple GNURadio SSB Receiver. We will use it to learn more about GNURadio and decode single sideband. Read more
GNURadio Amplitude Modulation Receiver
Build this GNURadio Amplitude Modulation receiver as your second project. It makes use of the RTL-SDR and Ham It Up converter for complete medium and shortwave broadcast listening. Read more
GNURadio FM Receiver – Getting Started
Say hello to the world of building your own SDR with a GNURadio FM Receiver. You can get this up and running in half an hour, as shown in my video. Read more
Explore GNURadio – Great Tool for SDR Experiments
Did you ever dream of designing and building your own software defined radio? Explore GNURadio to discover how easy this is to do, without writing a line of code. Read more
Arduino Single Chip Radio – Connect and Control

Building an Arduino single chip radio is pretty straightforward. Perhaps the hardest part is handling the tiny surface mount chip. Read more
Silicon Labs Single Chip Radios
Silicon Labs single chip radios are amazing performers. A complete SDR smaller than your fingertip. And, they’re everywhere. Read more
Understanding SDR Receivers – HF Performance
Understanding SDR receivers is not that hard. Let’s apply what we have learned to four popular radios and their HF performance. Read more








