Computer Science – Sound
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ge%26ae..21.1023v&link_type=abstract
Geomagnetizm i Aeronomiia, vol. 21, Nov.-Dec. 1981, p. 1023-1028. In Russian.
Computer Science
Sound
F Region, Ionospheric Disturbances, Ionospheric Sounding, Periodic Variations, Ionospheric Electron Density, Reflected Waves, Screen Effect, Signal Reception
Scientific paper
Pulsed oblique-sounding data (at frequencies of 10-20 MHz and on paths of 1500 and 3000 km) is used to study the F-region as a reflecting screen and the dominant dimensions of ionospheric irregularities that have an effect on the signal level. It is found that long-period ionospheric disturbances, leading to changes in the height and electron content of the F layer, play a double role in signal fading. On the one hand the disturbances can have a significant effect on the signal level, and on the other hand, they can have a significant effect on the height and velocity of smaller-scale irregularities.
Luganin V. A.
Vorob'eva L. P.
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