Shehata AG, Zarzoura FH, El-Mewafi M. Precision evaluation for different GNSS RINEX 3 using online services and open-source software PPP-MANS. GAC [Internet]. 2023Oct.13 [cited 2024Jul.7];49(3):137–141. Available from: https://jau.vgtu.lt/index.php/GAC/article/view/17499