Physics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991p%26ss...39.1657p&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 39, Dec. 1991, p. 1657-1666.
Physics
2
Extremely Low Radio Frequencies, Geomagnetic Micropulsations, Ionospheric Propagation, Polar Regions, Geos 1 Satellite, Ionospheric Electron Density, Transmissivity
Scientific paper
Ionospheric Pc1-signal transmissivity is measured experimentally and compared to the results of a numerical simulation. The direct numerical simulation is based on the ionospheric filtration method for the ULF (Pc1) frequency range by Prikner and Vagner (1983) and a semiempirical model by Prikner (1986). The variable values of the Pc1 signals are obtained in the GEOS-1 conjugated ULF experiment from 1 h of micropulsation-disturbance data. Attention is given to the varying physical parameters of the high-latitude outer ionosphere including the effects of the ionospheric plasma temperature on the concentration of ionized particles. The nonstationary conditions in the high-latitude ionosphere are due to the propagation of ion-cyclotron waves in the plasmapause.
Fligel' Dora S.
Prikner Karel
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