A new radar auroral backscatter experiment

Details A new radar auroral backscatter experiment A new radar auroral backscatter experiment

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.304..712n&link_type=abstract

Nature (ISSN 0028-0836), vol. 304, Aug. 25, 1983, p. 712-714.

Computer Science

78

Auroral Echoes, E Region, Radar Measurement, Space Plasmas, Doppler Radar, Plasma Waves

Scientific paper

Observations of two ionosphere pulsation events were made with the SABRE radar auroral backscatter system. The two-component SABRE comprises an installation in West Germany and one in the U.K., operating at 142.585 and 153.2 MHz, respectively, wavelengths that are influenced by electrostatic waves in the E-region. The receivers are capable of detecting plasma waves of 1.05 and 0.98 m wavelength. A fast Fourier analysis of a Pc5 resonance event on day 83 of 1982 revealed an E-W velocity component for the occurrence, which had a period of 345 sec. Amplitude and phase data are provided as a function of latitude, demonstrating a resonance amplitude of 80 m/sec, half of that observed at higher latitudes with the STARE system. An ELF event was also detected, and comparison with STARE graphs permitted tracking the wave farther than possible with either system alone.

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