Comparative Approach in the Gain Study for Two Popular Shapes of S-Band Microstrip Patch Antenna for CubeSats. - Amine Bab; Saïah Bekkar-Djelloul-Saïah; Djamel Eddine Baba Hamed; Boualem Nasri; Abdelhak Benikhlef (ISNCC, 2023)