Lawal LS, Chatwin C, Li D. NIGCOMSAT-1R SATELLITE-BASED AUGMENTATION SYSTEM(SBAS) TEST BED TRIAL. eee [Internet]. 2020May31 [cited 2026Aug.28];6(5):01-9. Available from: https://www.ijrdojhsn.com/index.php/eee/article/view/3651