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Bilitza, D., Altadill, D., Zhang, Y., Mertens, C., Truhlik, V., Richards, P., McKinnell, L.A. and Reinisch, B. (2014) The International Reference Ionosphere 2012—A Model of International Collaboration. Journal of Space Weather and Space Climate A, 7, 1-12.
https://doi.org/10.1051/swsc/2014004

has been cited by the following article:

• TITLE: Variability of the Critical Frequency foF2 during Minimum and Maximum Phases of Solar Cycles 20 and 21: A Comparative Study between American and African Equatorial Regions

  AUTHORS: Kaboré M’Bi, Diabaté Abidina, Ouattara Frédéric

  KEYWORDS: foF2, Longitudinal Variation, Seasonal Variation

  JOURNAL NAME: Atmospheric and Climate Sciences, Vol.12 No.1, January 5, 2022

  ABSTRACT: The present work is a comparative study between the foF2 variabilities for two equatorial regions (Ouagadougou: lat. 12°21'N; long. 1°30'E, dip. 1.43°in Africa and Huancayo: Lat. 12°S; Long. 75°12'W in America) during solar cycles 20 and 21 minima and maxima phases under geomagnetic extreme conditions (quiet and disturb). Profiles from these two stations are very similar for all the seasons over the solar cycles. However, measured data from Huancayo station are higher than those from Ouagadougou station during winter with a reverse phenomenon for summer. The investigations suggest that the gap between foF2 values and the reverse phenomenon observed for the two stations may be explained by their hemispheric location (Huancayo in south hemisphere and Ouagadougou in North one). Longitudinal irregularities in ionosphere may also contribute to that little difference observed during the time interval of our investigation.