1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
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1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
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1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso 3Institut de Recherches en Sciences Appliquées et Technologies/Centre National de la Recherche Scientifique et Technologique, Ouagadougou, Burkina Faso
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Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
1 1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
2 1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
3 1Laboratoire d’Enseignement et de Recherche en Sciences Expérimentales et Mathématiques, Ecole Normale Supérieure de l’Université de Koudougou, Koudougou, Burkina Faso 2Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso 3Institut de Recherches en Sciences Appliquées et Technologies/Centre National de la Recherche Scientifique et Technologique, Ouagadougou, Burkina Faso
4 Laboratoire des Matériaux et Environnement, Université de Ouagadougou, Ouagadougou, Burkina Faso
The paper goal is to analyze the variability of foF2 at African equatorial stations and the effect of dip angle on this variability. The gap between the dip angle of Dakar and Ouagadougou is superior to that between Djibouti and Ouagadougou. The trend of the dip angle at Ouagadougou and Dakar decreases while that of Djibouti increases. The relative position of the station with respect to the equator and the trend sign explains the difference observed in foF2 variability at Dakar station and at the two other stations. At Djibouti and Ouagadougou, foF2 exhibits noon bite out profile during all solar cycle phases while at Dakar observed profile is dome or plateau during the maximum and the predominance afternoon peak for the other solar cycle phases.
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