Focalização das Ondas de Rádio em HF

Waldecir João Perrella, Fernando Walter

Abstract


The focusing mechanisms of the HF radio waves reflected by the ionosphere are discussed. For the study of this focusing, a program of ray tracing in three dimension and the ionosphere model IRI (International Reference Ionosphere) are used. The influence of the earth's magnetic field and the horizontal gradients of the electron density are shown. Typical trajectories in the Brazilian region are shown.



Keywords


ondas de rádio; HF



DOI: http://dx.doi.org/10.22564/rbgf.v4i2.1052







 

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