Ducted propagation of hydromagnetic waves in the F2 layer |
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Authors: | Manh Dung Duong |
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Institution: | Department of Physics, University of Newcastle, New South Wales, Australia |
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Abstract: | Calculations of the properties of the ionospheric duct centered at the F2 layer are carried out with a view to investigating the ducted propagation of Pc1 micropulsations in directions out of the geomagnetic meridian plane. For a horizontally uniform ionosphere, duct properties are found to be essentially the same in all horizontal directions. Propagation characteristics of ducted waves, however, vary according to ionospheric and sunspot conditions. In practice, therefore, it is expected that horizontal propagation over a large recording network is not isotropic because of the diurnal changes in the ionosphere. |
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