Pırtı A. Testing the contribution, accuracy and performance of MGEX (GNSS (GPS+GLONASS+GALILEO+BEIDOU+QZSS)) positioning in the study region. GAC [Internet]. 2023Dec.21 [cited 2024Nov.25];49(4):222–232. Available from: https://gc.vgtu.lt/index.php/GAC/article/view/17707