Automatic measurement of the arrival direction of whistlers

Details Automatic measurement of the arrival direction of whistlers Automatic measurement of the arrival direction of whistlers

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ge%26ae..32...34o&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 32, no. 1, Jan.-Feb. 1992, p. 34-41. In Russian.

Computer Science

Analog To Digital Converters, Atmospherics, Earth Magnetosphere, Whistlers, Electromagnetic Fields, Frequency Control

Scientific paper

A fully automated system for recording the arrival direction of whistlers is described which uses observations of horizontal magnetic and vertical electric components of the wave field. A signal from three antennas at two selected frequencies is digitized by an ADC and stored in its temporary memory until a signal identified as the whistler arrives at the antenna input. The information is then transferred to a microcomputer. The wave arrival direction and polarization are determined through measurement of the ratio of the amplitudes and phase difference of the magnetic components to the vertical electric component. An example of data analysis using this technique is presented.

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