| Summary: | Results of two extensive rocket campaigns, the NASA E-region Radar and Rocket Instability Study (ERRRIS) and Rocket and Scatter Experiments (ROSE), are reviewed. Particular attention is given to scientific objectives and first results of the ROSE project, plasma waves observed in the auroral E-region during the ROSE compaign, metal ion layers in the auroral lower E-region measured by mass spectrometers, EISCAT results during the ROSE campaign and a comparison with STARE measurements, the effects of the resonance broadening of Farley-Buneman wave on electron dynamics and heating in the auroral E-region, and observations of 3 m auroral irregularities during the ERRRIS campaigns.
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