The Grahamstown all-sky meteor radar

Details The Grahamstown all-sky meteor radar The Grahamstown all-sky meteor radar

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jatp...50..585p&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 50, June 1988, p. 585-590. Research supported by Rhodes Un

Physics

10

Coherent Radar, Radar Echoes, Radio Meteors, Digital Radar Systems, Doppler Radar, Meteoroid Showers, Wind Direction

Scientific paper

A coherent-wave meteor radar system which has been operating since 1986 at Grahamstown, South Africa is examined and results obtained by the system are reviewed. The radar is monostatic, operating at a fixed frequency near 28 MHz with a 500 Hz square-wave option. The effective antenna pattern is produced by an array of simple half-wave dipoles and consists of two oppositely directed broad beams which provide coverage of all azimuths. The system is used to determine the direction of arrival and doppler shift of each meteor echo, making it possible to deduce wind motions in the meteor region. Observations of meteor shower activity are presented, with emphasis on the Comet Halley stream. Plans for future improvements to the system are also discussed.

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