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dc.contributor.authorRawer, K-
dc.identifier.issn0975-105X (Online); 0367-8393 (Print)-
dc.description.abstractStarting with oversimplified models (e.g. reflecting mirror) geometrical optics in a parabolic layer achieved a satisfactory explanation of the most important phenomena in ionospheric hf-propagation. Later, more detailed descriptions of the electron-density profile were developed, e.g. the International Reference Ionosphere. These are based on ground and space observations. The C.C.I.R. 'numerical maps' describing the world-wide behaviour of the peak data are rediscussed now. Sophisticated theoretical models based on aeronomic theory have been developed during the last 15 years. These need an enormous computing effort.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJRSP Vol.15(5&6) [October & December 1986]en_US
dc.titleIonospheric Modelling during the Past Decadesen_US
Appears in Collections:IJRSP Vol.15(5&6) [October & December 1986]

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