The electromagnetic properties of the earth play an important role in the design and implementation of radio communications systems@ geophysical prospecting instruments@ and subsurface mapping techniques. Measurement techniques include dc resistivity@ surface impedance@ propagation studies@ wave tilt methods@ probe impedance methods@ mutual impedance methods@ transient methods@ time domain reflectometry@ ground probing radar@ laboratory-based techniques@ and free-space reflection measurements. The separation distance between the probes and the wavelength of the radiation both affect the volume of earth material measured. This guide provides a summary of current measurement techniques and@ where appropriate@ inversion methods for determining the conductivity and the relative permittivity of the volume under investigation.
IEEE 356-2002 history
1970IEEE 356-2020 IEEE Guide for Measurements of Electromagnetic Properties of Earth Media
2010IEEE 356-2010 Guide for Measurements of Electromagnetic Properties of Earth Media
2002IEEE 356-2002 Guide for Measurements of Electromagnetic Properties of Earth Media
2001IEEE 356-2001 IEEE Guide for Measurements of Electromagnetic Properties of Earth Media
1974IEEE 356-1974 Guide for radio methods of measuring earth conductivity