EISCAT as a tristatic auroral radar

Details EISCAT as a tristatic auroral radar EISCAT as a tristatic auroral radar

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.1430s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Feb. 1, 1989, p. 1430-1438.

Computer Science

Sound

24

Auroral Zones, Eiscat Radar System (Europe), Ionospheric Sounding, Autocorrelation, Radar Scattering, Scattering Cross Sections

Scientific paper

The capabilities of using EISCAT as a tristatic auroral radar (Moorcroft and Schlegel, 1988) are examined, focusing on the geometry of the tristatic system. EISCAT is able to measure the absolute backscattered power, making it possible to estimate the electron density in the case of incoherent scatter. The E x B drift vector may be determined simultaneously with the E region coherent scatter measurements. The dependence of the scattering cross section on the magnetic aspect angle is studied. Results from using EISCAT as an auroral radar are discussed in terms of coherent backscatter cross sections, coherent spectra shape, irregularity phase velocities, and aspect angle dependence.

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