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THE ELECTRON CONTENT OF THE IONOSPHERE
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TOTAL ELECTRON CONTENT OF IONOSPHERE AT MIDDLE LATITUDES NEAR PEAK OF SOLAR CYCLE
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JOURNAL OF GEOPHYSICAL RESEARCH,
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[3]
IONOSPHERIC ELECTRON CONTENT AND ITS VARIATIONS DEDUCED FROM SATELLITE OBSERVATION
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[4]
DIURNAL VARIATION OF IONOSPHERIC TOTAL ELECTRON CONTENT
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JOURNAL OF GEOPHYSICAL RESEARCH,
1966, 71 (03)
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