CONTRIBUTION TO THE EXPLANATION OF THE SEMI-ANNUAL ANOMALY OBSERVED IN THE INTERTROPICAL ZONE USING THE CRITICAL FREQUENCIES FOF2 EXTRACTED DURING THE SUNSPOT CYCLES 20, 21 AND 22 AT THE OUAGADOUGOU STATION

JOURNAL ARTICLE published 28 February 2023 in International Journal of Advanced Research

Authors: Segda Abdoul-Kader | Laboratoire de Recherche en Energetique et Meteorologie de lEspace (LAREME), UFR-ST, Universite Norbert ZONGO, BP 376 Koudougou, Burkina Faso. | Gnabahou Doua Allain | Kabore Salfo | Laboratoire de Recherche en Energetique et Meteorologie de lEspace (LAREME), UFR-ST, Universite Norbert ZONGO, BP 376 Koudougou, Burkina Faso. | Laboratoire de Recherche en Energetique et Meteorologie de lEspace (LAREME), UFR-ST, Universite Norbert ZONGO, BP 376 Koudougou, Burkina Faso.