Observation of auroral hiss by the S-310JA-6 sounding rocket

Details Observation of auroral hiss by the S-310JA-6 sounding rocket Observation of auroral hiss by the S-310JA-6 sounding rocket

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980nuria..27...25k&link_type=abstract

Nagoya University, Research Institute of Atmospherics, Proceedings, vol. 27, Mar. 1980, p. 25-30.

Computer Science

Sound

Auroral Arcs, Hiss, Ionospheric Sounding, Sounding Rockets, Geomagnetism, Ionospheric Electron Density, Loop Antennas, Magnetometers, Noise Intensity, Particle Interactions, Polar Regions, Rocket Flight, Wave Interaction

Scientific paper

Observations of auroral hiss made by the S-310JA-6 sounding rocket in an investigation of wave-particle interactions in the auroral ionosphere are reported. The S-310JA-6 rocket was launched from Syowa Station, Antarctica along the geomagnetic field line at 00:50:00 LT on August 28, 1978, during the appearance of active auroral arcs, and concurrent ground-based magnetometer, riometer and VLF hiss-meter observations were obtained. VLF hiss was observed by the rocket-borne electric antenna at altitudes and times corresponding to intense auroral arcs. Examination of the VLF spectrum reveals a low-frequency cut-off at about 4 kHz, depending on rocket altitude, which indicates an LHR hiss. Observations of burst-like hiss events are found to correspond with bright patches moving along the auroral arcs, indicating the injection of auroral particles into the polar ionosphere. The altitude distribution of the angle between the magnetic field line and the wave normal of the hiss is also presented.

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