Abstract
Two argon ion generators were operated during a sounding rocket flight from Sondre Stromfjord, Greenland, on February 10, 1985. One generator emitted an ion beam perpendicular to the magnetic field and the other a beam parallel to the field. The ion generators were on a subpayload that was separated from the main payload early in the flight. Plasma waves were observed during most of the first seven operations of each beam. Helium and oxygen cyclotron harmonics were observed in early perpendicular beam operations. The parallel beam waves were line emissions, some at approximate multiples of the hydrogen cyclotron frequency and near the lower hybrid frequency.
Published Version
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