Using an RTL-SDR to Listen to Superhet Radio’s Unintentional Emissions

Recently two students (Léo Poughon and his friend Thomas Daniel) wrote in to let us know about their work with SDR’s for their school project. Their project was to try and repeat the work of “Operation RAFTER” which was a technique use by MI5 in the 60’s to find hidden soviet spy radio equipment. Essentially, all superhet radios (almost any consumer … Continue reading Using an RTL-SDR to Listen to Superhet Radio’s Unintentional Emissions