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Journal of Atmospheric and Terrestrial Physics, 1963 An explanation of the position of the spread-F equator under sunspot maximum and sunspot minimum conditions is put forward. This explanation is based on the theory of spread-F irregularity production by Martyn amplification of irregularities initiated by hydromagnetic waves.
Singleton D.G.
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Spread-F and ionization anomaly belt
Journal of Atmospheric and Terrestrial Physics, 1989 The present investigation attempts to bring out the dynamics of the F-region at magnetic equatorial and low latitudes in the American zone. Data are examined for two sets of nights, one with strong range-type spread at Huancayo another with complete absence of spread-F.
S. Alex, P.V. Koparkar, R.G. Rastogi
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Journal of Atmospheric and Terrestrial Physics, 1959
Abstract Spread- F conditions have been examined for six low-latitude stations—Dakar, Khartoum, Djibouti, Ibadan, Nairobi and Leopoldville. It is shown that, contrary to the general view, occurrence of disturbed magnetic conditions inhibits the occurrence of spread- F layers during the southern solstice at all these stations.
R.W. Weight, N.J. Skinner
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Abstract Spread- F conditions have been examined for six low-latitude stations—Dakar, Khartoum, Djibouti, Ibadan, Nairobi and Leopoldville. It is shown that, contrary to the general view, occurrence of disturbed magnetic conditions inhibits the occurrence of spread- F layers during the southern solstice at all these stations.
R.W. Weight, N.J. Skinner
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