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Toplam kayıt 2, listelenen: 1-2
The effect of geomagnetic activity changes on the ionospheric critical frequencies (foF2) at magnetic conjugate points
(ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2018)
In this work, we investigate the possible effects of geomagnetic activity on the ionospheric critical frequencies (foF2) in geomagnetic
conjugate points. For this purpose, hourly foF2 data measured for the year 1976 from ...
Theoretical Modelling of Chromospheric Emission Lines Through The Solar Activity Cycles 21–23 According To The Observational Analysis Results
(PUBL HOUSE BULGARIAN ACAD SCI, ACADEMICIAN G BONCEV ST, 1113 SOFIA, BULGARIA, 2018)
In our previous papers, we compared the connection between the sizes
of faculae and plage regions, sunspots/sunspot groups (SGs), chromospheric
emission lines and solar spectral irradiance variability between the ...