Computer Science – Sound
Scientific paper
Feb 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ge%26ae..28...22k&link_type=abstract
Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 28, Jan.-Feb. 1988, p. 22-25. In Russian.
Computer Science
Sound
Ionospheric Sounding, Radio Probing, Signal Analysis, Sporadic E Layer, Amplitudes, Histograms, Ionograms, Transhorizon Radio Propagation
Scientific paper
The paper presents an analysis of signal amplitude recorded at two frequencies (12 and 20 MHz) on a Santiago de Cuba-Havana radio channel during the simultaneous appearance of several sporadic-E layers on oblique-sounding ionograms obtained at the median point of the channel. It is shown that the dependence of the amplitude of the 12-MHz signal on the altitude of the reflecting sporadic-E layer is mainly determined by absorption variations. For the 20-MHz signal, the presence of a lower sporadic-E layer with high screening frequencies can lead to a decrease in signal amplitude in the case of reflection from the upper sporadic-E layer.
Kerblai T. S.
Melendez B.
Nosova G. N.
Palacio L.
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