iSPY Radio direct - Écouter radio en ligne et iSPY Radio podcast
Spy Gear Spionage | Spielwarenparadies
HB9BBM - Callsign Lookup by QRZ Ham Radio
Alexander Foote, British radio operator and double agent. He was also considered a member of the Lucy spy ring, the Red Orchestra of Switzerland. Undated photo Stock Photo - Alamy
Die Anfänge des Radios in der Schweiz - Museum für Kommunikation Bern