RTF communications are established and maintained between the Eridano and the Partenope while sailing towards Genoa up to a distance of just under 19 miles. Subsequently connections are established between the three ships at anchor.
[Lee De Forest (born in Council Bluffs on August 26, 1873 and died in Hollywood on June 30, 1961) was a scientist and inventor who patented more than 300 inventions in the fields of radiotelegraphy, radiotelephony, radio, sound film and television . His most important invention made in the laboratory of Western Electric in Chicago was the triode (1906), which he initially called audion]
Source: Military Navy