Shehata, Ashraf G., Fawzi H. Zarzoura, and Mahmoud El-Mewafi. “Precision Evaluation for Different GNSS RINEX 3 Using Online Services and Open-Source Software PPP-MANS”. Geodesy and Cartography 49, no. 3 (October 13, 2023): 137–141. Accessed November 22, 2024. https://btp.vgtu.lt/index.php/GAC/article/view/17499.