Computer generated K indices adopted by the British Geological Survey

Details Computer generated K indices adopted by the British Geological Survey Computer generated K indices adopted by the British Geological Survey

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jatp...54..447c&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 54, Mar.-Apr. 1992, p. 447-456.

Mathematics

Logic

4

Computer Programs, Geological Surveys, Geomagnetism, Kp Index, Magnetic Disturbances, Magnetosphere-Ionosphere Coupling, Real Time Operation, Solar Wind

Scientific paper

On 1 January 1991 the British Geological Survey adopted a computer method for generating K indices from its three geomagnetic observatories. This replaced the traditional handscaling method, resulting in saving of staff time. Other advantages are the ability to distribute K indices to users in real time and the fact that there will not be any change in bias of the K index caused by a change of handscaler in future. The computer algorithm is described. The results of a comparison between the computed and handscaled K indices are presented, which show the computer method to be compatible with handscaling.

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