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Uspensky et al. 1993
Uspensky, M.V., Kustov, A.V., Sofko, G.J., Koehler, J.A. and Foster, J.C. (1993). An alternative look at the aspect sensitivity of auroral radar backscatter: A forward scatter effect. Journal of Geophysical Research 98: doi: 10.1029/92JA02265. issn: 0148-0227.

A simple model for diffuse forward scatter is presented in order to account for the aspect angle dependence of auroral radar backscatter over a wide range of aspect angles as can be observed by UHF radars. The basic assumption is that the backscatter itself is highly anisotropic but that the incident rays are partially scattered by quasi-isotropic small to medium scale irregularities in the bottom/top part of the E/D regions. The model is developed to provide a theoretical forward scatter/aspect angle relationship, which is compared with the observations. The model exhibits reasonable agreement with recent 440-MHz Millstone Hill radar observations over aspect angles ranging between 0 and 10 deg. Other supporting evidence is also presented. ¿ American Geophysical Union 1993

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Abstract

Keywords
Ionosphere, Ionospheric irregularities, Ionosphere, Polar ionosphere, Ionosphere, Plasma waves and instabilities, Ionosphere, Wave propagation
Journal
Journal of Geophysical Research
http://www.agu.org/journals/jb/
Publisher
American Geophysical Union
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