HF sounding of the auroral magnetosphere

Details HF sounding of the auroral magnetosphere HF sounding of the auroral magnetosphere

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....97.8693g&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. A6, June 1, 1992, p. 8693-8696.

Computer Science

Sound

10

Auroral Zones, Earth Magnetosphere, Incoherent Scatter Radar, Plasma Turbulence, Sounding, Backscattering, Field Aligned Currents, High Frequencies

Scientific paper

Results are presented from incoherent scatter radar measurements in the magnetosphere, using the Radiophysical Research Institute 'Sura' heating facility operated in the frequency range 4.5-9 MHz. The first magnetosphere sounding experiments were carried out on February 21, 1989; a frequency of 9.310 MHz was used for the sounding, while the effective radiated power was about 30 MW. The results of analyses of the scattered signal spectra showed that, in the auroral region of the polar magnetosphere, ion acoustic oscillations are excited and that the HF sounding technique used in this study was an effective method for magnetosphere sounding.

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