Iranian Researchers Develop Indigenous Software for Precise Satellite Positioning
The software, entirely developed at the University of Tehran, enables real-time network corrections, precise satellite positioning, and online processing of GNSS (Global Navigation Satellite System) observations. It has been successfully tested by the National Iranian South Oil Company’s network of permanent stations.
The platform supports a wide range of global positioning satellites, including GPS, Galileo, BeiDou, and GLONASS, and offers automated, high-accuracy processing using methods such as static, PPK, PPP, and SPP. It also features observation quality control and real-time monitoring of ionospheric and tropospheric effects.
Designed as a practical tool for surveying engineers, researchers, and organizations engaged in satellite data monitoring, the software accommodates all types of GNSS data. It allows connections to reference stations in both client and server modes, supports at least 50 permanent stations and 200 simultaneous users, and resolves phase ambiguities for baselines up to 70 kilometers.
Technical capabilities include planimetric accuracy of up to 2 cm and height accuracy of 3 cm with the static method, and planimetric accuracy of 4 cm and height accuracy of 5 cm using PPK and NRTK methods. The system delivers corrections with a maximum latency of 0.5 seconds and supports multiple data protocols, including RTCM2.x, RTCM3.x, RINEX 2.x/3.x, and raw data formats.
Additional features include an online map interface, real-time monitoring of reference stations, data archiving, correction modeling with NEAREST and VRS algorithms, and advanced post-processing capabilities. Users can analyze ionospheric and tropospheric effects, track coordinate changes over time, and generate specialized reports.
According to the developers, the software’s advanced capabilities—ranging from error modeling in both state and observation spaces to a multi-level service portal for user access—make it a comprehensive, secure, and intelligent indigenous solution in precise satellite positioning, marking a significant step toward technological self-reliance in Iran.
