Measurement of the drift of auroral radar echoes with the radar auroragraph

Details Measurement of the drift of auroral radar echoes with the radar auroragraph Measurement of the drift of auroral radar echoes with the radar auroragraph

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978p%26ss...26..519u&link_type=abstract

Planetary and Space Science, vol. 26, June 1978, p. 519-524.

Physics

Auroral Zones, Radar Echoes, Radar Measurement, Drift Rate, Geomagnetism, Magnetic Field Configurations, Night Sky, Radar Equipment

Scientific paper

The operating parameters of a radar auroragraph, which was used to measure the speed and direction of auroral radar echoes in space from the Syowa Station in Antarctica, are discussed with reference to the derivation of orthogonality contours at a height of 110 km in a centered dipole geomagnetic field. Briefly, they include: frequency, 112.2 MHz; pulse power, 15 kW; pulse width, 100 micro sec; pulse repetition frequency, 50 Hz; antenna horizontal beamwidth, 40 deg; and antenna rotational speed, 2 rev/min. East-west drift velocities are reported to range from approximately 300 to 2000 m/sec; predominantly to the west pre-midnight, and to the east post-midnight.

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