Lawal, Lasisi Salami, Chris Chatwin, and Dongjun Li. “NIGCOMSAT-1R SATELLITE-BASED AUGMENTATION SYSTEM(SBAS) TEST BED TRIAL”. IJRDO - Journal of Electrical And Electronics Engineering 6, no. 5 (May 31, 2020): 01-09. Accessed May 13, 2024. https://ijrdo.org/index.php/eee/article/view/3651.