Modeling the multifrequency distribution of SW signals at high latitudes

Details Modeling the multifrequency distribution of SW signals at high latitudes Modeling the multifrequency distribution of SW signals at high latitudes

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ge%26ae..33..158k&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 33, no. 1, p. 158-162.

Computer Science

Sound

1

F 2 Region, Ionograms, Ionospheric Propagation, Signal Transmission, Atmospheric Models, Auroral Zones, Radio Transmission

Scientific paper

Results are presented of correlations between experimental ionograms of tilted multifrequency sounding at the Moscow-Dickson path and the ionograms modeled for an empirical ionospheric model SMI-88, which takes into account the characteristics of the large-scale inhomogeneous structure of the polar ionosphere. The features of an oblique sounding ionogram, caused by the regular and the abnormal propagation mechanisms, are discussed. Particular attention is given to the diurnal variation of the most useful frequency for various distribution modes. It is shown that the error in the determinations of this frequency by SMI-88 did not exceed 25 percent.

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