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SPEAR: Early results from a very high latitude ionospheric heating facility

By Tim K. Yeoman, N. Blagoveshchenskaya, V. Kornienko, T. R. Robinson, R. S. Dhillon, D. M. Wright and L. J. Baddeley

Abstract

Early results are presented from high power ionospheric modification experiments with the SPEAR (Space Plasma Exploration by Active Radar) HF facility, which is used to generate artificial field-aligned irregularities (AFAI) in the polar cap ionosphere. These AFAIs are detected both through HF coherent backscatter radar and bistatic HF Doppler experiments. The AFAIs created with SPEAR are demonstrated to provide an important geophysical diagnostic of the polar cap ionospheric electric field, and may also scatter radio waves out of the ionospheric waveguide, even when they have propagated over very considerable distances

Publisher: Elsevier
Year: 2007
DOI identifier: 10.1016/j.asr.2007.02.059
OAI identifier: oai:lra.le.ac.uk:2381/8135
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