This Annex gives typical values of electrical characteristics for different types of surface of the Earth and
discusses the physical factors upon which these characteristics depend.
ITU-R P.527-3-1992 history
2017ITU-R P.527-2017 Electrical characteristics of the surface of the Earth
1992ITU-R P.527-3-1992 Electrical Characteristics of the Surface of the Earth
ITU-R P.527-3-1992 Electrical Characteristics of the Surface of the Earth was changed to ITU-R P.527-2017 Electrical characteristics of the surface of the Earth.