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EARTH-IONOSPHERE WAVEGUIDE [1 record]

Record 1 2008-09-04

English

Subject field(s)
  • Space Physics
DEF

The physical structure formed by the conductive Earth and the conductive lower ionosphere (D region) which together sandwich the highly resistive atmosphere between them.

OBS

This waveguide sustains global electromagnetic wave propagation from the lower end of the Schumann resonance band (5 Hz) to the waveguide cutoff frequency near 1500 Hz.

Key term(s)
  • Earth ionospheric waveguide
  • Earth ionosphere waveguide
  • Earth-ionosphere waveguide

French

Domaine(s)
  • Physique spatiale
CONT

Les résonances de Schumann ont une origine atmosphérique (i.e. la foudre) et ne sont que l'effet du guide d'ondes Terre-ionosphère.

Key term(s)
  • guide d'onde Terre-ionosphère

Spanish

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