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Somayajulu et al. 1994

Somayajulu, V.V., Selvamurugan, R., Devasia, C.V. and Cherian, L. (1994). VHF backscatter radar observations of type I waves during a counter electrojet event. Geophysical Research Letters 21: doi: 10.1029/94GL01590. issn: 0094-8276.

The paper presents simultaneous observations made at Trivandrum (Dip - 0.5¿N) during a strong counter electrojet event using VHF backscatter radar, Ionosonde and Magnetometer. The VHF backscatter radar observations of 2.7 m scale size irregularities have shown that Type I waves with phase velocities in the range of 180--220 ms-1 can be generated in the presence of a destablizing gradient. This gives direct experimental evidence that the electron density gradient will affect the type I threshold velocity, sometimes substantially. ¿ American Geophysical Union 1994

BACKGROUND DATA FILES

	Abstract

Keywords
Ionosphere, Electric fields and currents, Ionosphere, Ionospheric irregularities, Ionosphere, Equatorial ionosphere, Ionosphere, Plasma waves and instabilities

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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