Sondrestrom incoherent-scatter radar measurements of plasma drift in the auroral oval and the polar cap are used to examine the effect of the IMF B(y) component in the dusk, midnight, and dawn sectors. The individual radar observations are briefly reviewed, and the average convection patterns obtained by binning the drift data for the two orientations of the IMF B(y) component are shown. These patterns are compared to the various models of convection that have been proposed. None of the models seem to reproduce the observed convections well, although some features of the models are seen in the radar data.
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Beaujardière et al. (1986) studied this question.
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