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JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 111, A06306, doi:10.1029/2005JA011546, 2006

Incoherent scatter spectrum theory for modes propagating perpendicular to the geomagnetic field

Erhan Kudeki

Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Illinois, USA


Marco Milla

Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Illinois, USA


Abstract

The collisional incoherent scatter spectral theory of Woodman is extended to the T e /T i > 1 case by using its equivalent electron- and ion-Gordeyev integrals in existing collisionless spectral models. A collisional spectral model for T e /T i > 1 is needed in the interpretation of F region incoherent scatter returns obtained at small magnetic aspect angles.

Received 23 November 2005; accepted 1 March 2006; published 20 June 2006.

Keywords: Coulomb collisions; incoherent scatter; magnetic aspect angle.

Index Terms: 6929 Radio Science: Ionospheric physics (1240, 2400); 6984 Radio Science: Waves in plasma (7867); 6974 Radio Science: Signal processing (0674); 6994 Radio Science: Instruments and techniques (1241); 2415 Ionosphere: Equatorial ionosphere.

Subscriber Access to Full Article (Nonsubscribers may purchase for $9.00, Includes print PDF, file size: 91950 bytes)

Citation: Kudeki, E., and M. Milla (2006), Incoherent scatter spectrum theory for modes propagating perpendicular to the geomagnetic field, J. Geophys. Res., 111, A06306, doi:10.1029/2005JA011546.