Karim KOUNY (Graduate Student Member, IEEE) received the Electronics and Telecommunications engineering degree from the National Institute of Applied Sciences (INSA), Rennes, France and the research master degree in Microtechnologies, Architecture, Communication Networks and Systems also from INSA Rennes in 2022. He is currently pursuing a Ph.D. degree in applied physics and electrical engineering for space applications with Lab-STICC UMR CNRS 6285, CNES (the French Space Agency) and the French Aerospace Lab (ONERA). His current research interests include microwave engineering, with a focus on RF filter and multipactor effect.