wide measurement campaign carried out in 1948 by the Italian public broadcasting company (RAI) [6]. As apparent from the map, the area south of Pisa exhibits a conductivity (denoted as σ) as high as 60 mS/m. See Box 2 for a better understanding of the transmission benefits provided by the highly conductive soil. Apparently, even without the aid of this postwar map, Marconi found the best place for his antennas! Figure 1. Location of Coltano transmit site in the Italian peninsula. Figure 2. Radio links established during the inauguration of Coltano radio station, Nov. 19-20, 1911. MARCH 2017 IEEE A&E SYSTEMS MAGAZINE 17