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On the numerical modelling of the VLF Trimpi effect

On the numerical modelling of the VLF Trimpi effect
On the numerical modelling of the VLF Trimpi effect
This work has developed a code and methodology for the numerical modelling of the well known VLF Trimpi effect. The theory assumes weak Born scattering and is fully 3D. The precipitation patch is modelled as an array of scatterers, and an effective source current is computed within the patch. VLF propagation uses modal theory and employs the MODFNDR VLF propagation code of NOSC. The theory employs all VLF modes and fully incorporates intermodal scattering, unlike the theory of Inan and co-workers. The technique also does not require that the scale length of the patch be much greater than a wavelength/ Transmissions on various paths, particularly NWC to Dunedin NZ have been successfully modelled.
537-560
Nunn, D
5115be8c-b699-427b-b7df-8795398381e5
Nunn, D
5115be8c-b699-427b-b7df-8795398381e5

Nunn, D (1997) On the numerical modelling of the VLF Trimpi effect. Journal of Atmospheric and Solar-Terrestrial Physics, 59 (5), 537-560.

Record type: Article

Abstract

This work has developed a code and methodology for the numerical modelling of the well known VLF Trimpi effect. The theory assumes weak Born scattering and is fully 3D. The precipitation patch is modelled as an array of scatterers, and an effective source current is computed within the patch. VLF propagation uses modal theory and employs the MODFNDR VLF propagation code of NOSC. The theory employs all VLF modes and fully incorporates intermodal scattering, unlike the theory of Inan and co-workers. The technique also does not require that the scale length of the patch be much greater than a wavelength/ Transmissions on various paths, particularly NWC to Dunedin NZ have been successfully modelled.

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Published date: 1997
Organisations: Electronics & Computer Science
Learn more about Electronics & Computer Science research

Identifiers

Local EPrints ID: 259020
URI: http://eprints.soton.ac.uk/id/eprint/259020
PURE UUID: e69ba669-6fbf-4589-85d2-e1ed8e9cb43d

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Date deposited: 08 Mar 2004
Last modified: 14 Mar 2024 06:17

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Author: D Nunn

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