The electrical parameters of earth, such as conductivity, permittivity, and magnetic permeability. Note 1: The values of these parameters vary with the local chemical composition and density of the earth. Note 2: For a propagating electromagnetic wave , such as a surface wave propagating along the surface of the Earth, these parameters vary with frequency and direction. ( 188 )
GROUND CONSTANTS
Meaning of GROUND CONSTANTS in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012