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The dependence on zenith angle of the strength of 3-meter equatorial electrojet irregularities

Document Type

Article

Journal/Book Title/Conference

Geophysical Research Letters

Volume

7

Publisher

American Geophysical Union

Publication Date

1980

First Page

497

Abstract

Radar measurements in Peru were used to deduce the zenith angle dependence of the scattering cross section of plasma irregularities generated by instabilities in the equatorial electrojet. The irregularities probed by the 50 MHz Jicamarca radar had a wavelength of 3m. The cross section for the type 2 irregularities was isotropic in the plane perpendicular to the magnetic field, while the cross section for the stronger type 1 irregularities varied with zenith angle at a rate of approximately 0.3 dB/degree; the horizontally traveling waves were more than 100 times stronger than those traveling vertically.

https://doi.org/10.1029/GL007i007p00497

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