Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 40, issue 3
Articles | Volume 40, issue 3
https://doi.org/10.5194/angeo-40-395-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-40-395-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 40, issue 3
Regular paper
 | 
15 Jun 2022
Regular paper |  | 15 Jun 2022

Finite-difference time-domain analysis of ELF radio wave propagation in the spherical Earth–ionosphere waveguide and its validation based on analytical solutions

Volodymyr Marchenko, Andrzej Kulak, and Janusz Mlynarczyk

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Short summary
We developed a new approach for validation of the numerical models of electromagnetic wave propagation in the Earth–ionosphere waveguide. We compared the parameters of the waveguide (i.e., characteristic electric and magnetic altitudes, resonance frequencies, phase velocity, and attenuation rate) obtained from numerical models with correspondent analytical calculations. We tested such validation for various conductivity profiles and found good agreement between analytical and numerical results.
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