Yudhotomo US, Gunadi GI, Khaerudin K, Siahaan T. 2.22 GHz S-Band Helical Antenna Design for Earth Surveillance Lapan-Tubsat Data Acquisition in Indonesia Regional Security. IJSSRR [Internet]. 6Jan.2023 [cited 21Dec.2024];6(1):447-56. Available from: https://ijssrr.com/journal/article/view/948