General Information on Antennas / Jean-Pierre Blot -- Fundamental Equations Used in Antenna Design / Jean-Pierre Blot -- Different Antenna Technologies / Jean-Pierre Blot -- Characteristic Parameters of an Antenna / Jean-Pierre Blot -- Digital Methods / Jean-Pierre Blot -- Summary. Mathematical Formulae -- Vector Calculations -- Frequency Spectrum -- The Decibel -- The International Visibility Code -- List of Acronyms and Constants.