rootbrowseIAC-16B2session 44. Space-Based Navigation Systems and ServicesPapers1. Developing the Future Galileo Space Segment2. Assessment of Auxiliary Space-Based Elements for the Galileo 2nd Generation System3. GNSS-related projects under Horizon 2020 in Poland4. Total Electron Content (TEC) monitoring system based on GNSS5. GNSS Radio Occultation: an augmentation tool to improve Geodetic Surveying6. SWAIR - Space Weather impact on GNSS service for Air Navigation7. Performance Characterization of EGNOS and DGPS Positioning on the Danube River8. THE FUTURE OF GNSS TRAIN CONTROL AND MANAGEMENT SYSTEMS, THE ITALIAN TECHNOLOGICAL INVESTMENTS9. SBAS performance monitoring and simulating tools10. High Accuracy GNSS Based Navigation in GEO11. research on the relationship of periodic behaviors of gnss satellite orbit and clock offset12. A POSSIBLE SPACE VLBI CONSTELLATION NAVIGATION SYSTEM UTILIZING THE STABLE ORBITS AROUND THE TLPS IN THE EARTH-MOON SYSTEM.