(using toilet paper tubes or PVC pipes).
For those tired of local talk radio, Davidson provides a simple regenerative receiver for the shortwave bands (3-10 MHz). Radio Receiver Projects You Can Build By Homer L Davidson
In an era dominated by software-defined radio (SDR), microcontrollers, and digital streaming, building an analog AM or shortwave radio might seem antiquated. However, Davidson’s projects offer something digital alternatives cannot: a visceral, physical understanding of the electromagnetic spectrum. (using toilet paper tubes or PVC pipes)
New softcover editions are listed on AbeBooks for roughly . Hardcover : and digital streaming
Understanding passive components, inductors (coils), and detection. 2. Simple Regenerative Receivers