Physics
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ge%26ae..31..607n&link_type=abstract
Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 31, July-Aug. 1991, p. 607-609. In Russian.
Physics
Geomagnetic Micropulsations, Ionospheric Propagation, Magnetohydrodynamic Waves, Reflected Waves, Earth Magnetosphere, Ion Cyclotron Radiation, Magnetosphere-Ionosphere Coupling
Scientific paper
An analysis is made of the dynamic spectra of several series of Pc1 pulsations (pearls) arriving simultaneously at the observing station and having roughly equal times of group delay. The difference between the central frequencies of the series of pearls on 'sonograms' for the 12 events investigated is 0.2-0.5 Hz. It is concluded that the observed phenomenon can be explained by considering the resonance properties of the ionospheric Alfven resonator.
Feigin F. Z.
Kangas I.
Mursula Kalevi
Nekrasov Anatoly K.
Pikkarainen T.
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