How Shortwave Radios Receive Signals from 10,000 Miles Away: The Science of Skywave Propagation and Signal Processing

Published on March 3, 2025, 5:25 a.m.

The time is 3:47 AM. The room is dark except for the soft glow of an LCD display. A twist of the dial. Static. Another twist. T…

Decoding the ATS-909X2: A Prosumer's Guide to its Hybrid (PLL/DSP) Tuner

Published on April 4, 2025, 12:58 p.m.

In the world of portable multi-band radios, few names command as much respect—or scrutiny—as Sangean. When the **SANGEAN ATS-90…

Why Your New Shortwave Radio Gets No Stations: A Beginner's Guide

Published on March 3, 2025, 6:51 a.m.

It is one of the most anticlimactic experiences for a new hobbyist. You’ve just unboxed a powerful, full-band portable radio—a …

The Analog Ether & The Digital Stream: A Guide to Modern World-Band Radio (SW, SSB & Internet)

Published on March 3, 2025, 6:57 a.m.

## The Analog Ether & The Digital Stream: A Guide to Modern World-Band Radio Let's talk about one of the most fascinating hu…

Your Guide to the Invisible World: Getting Started with a Malachite DSP2 SDR Radio Receiver

Published on March 3, 2025, 7:45 a.m.

Right now, all around you, an invisible world is humming with activity. Your phone is having a silent conversation with a cell …