The SDR shield for Arduino published in the July/August issue of Elektor magazine is a complete universal radio receiver, suitable for listening to radio signals from 150 kHz to 30 MHz. The shield is available fully assembled and ready for use from Elektor. You only have to plug it onto an Arduino and connect the unit to a PC over USB. The Arduino handles the tuning function on the shield, while specific open-source PC software does the decoding and processing of the received signals.
A few weeks ago we presented an introductory video describing the design and operation of the new Elektor SDR receiver. In this second video, SDR shield designer Burkhard Kainka explores the options offered by SDR programs for optimizing the reception of radio stations. He shows you how you can use the popular SDRSharp program to tune in stations in various radio bands, and describes various ways to improve reception.