Physics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jatp...46..147j&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 46, Feb. 1984, p. 147-153.
Physics
30
Electromagnetic Absorption, High Frequencies, Ionospheric Conductivity, Ionospheric Propagation, Radio Attenuation, Radio Frequency Heating, Geomagnetism, Ionospheric Electron Density, Radar Scattering, Scattering Cross Sections
Scientific paper
High power radio waves can modify the ionospheric electron density distribution to produce field aligned plasma irregularities which give rise to the anomalous absorption of HF radio waves. The coefficient of anomalous absorption of a vertically propagated radio wave due to scattering from field aligned irregularities has been calculated, taking into account the effects of the geomagnetic field on electron motions. These results are compared with those of other theoretical models. Furthermore, the scale lengths of field aligned irregularities produced by a high power radio wave during recent high latitude modification experiments have been determined from measurements of the anomalous absorption by means of this theory.
Jones Bernard T.
Kopka Helmut
Robinson Thomas
Stubbe Peter
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