Wave Propagation in the Ground

  • Armel Picquenard
Part of the Philips Technical Library book series (PTL)


The earth’s surface consists of seawater and soils of different compositions. These media are conductors (although rather poor ones) and possess a rather high dielectric constant. They will therefore behave towards radio waves in a way between conductors and dielectrics. The values of conductivity for seawater range from 4–5 S/m; those for the ground range from 0·01–0·001 S/m. The relative dielectric constant of seawater is 80, and of earth 4–20, according to the degree of humidity. CCIR Report No. 229227 gives a survey of measurement methods for ground conductivity.


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Copyright information

© N. V. Philips’ Gloeilampenfabrieken, Eindhoven 1974

Authors and Affiliations

  • Armel Picquenard

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