Who operates it
- ASG-EUPOS (Active Geodetic Network EUPOS) is the official national CORS network, operated by the Head Office of Geodesy and Cartography (GUGiK) in Poland.
- SmartNet Poland, managed by Leica Geosystems, provides commercial RTK services.
- TopNETlive, operated by Topcon, offers global subscription-based GNSS corrections with nationwide coverage.
Availability & access
ASG-EUPOS offers free or low-cost access depending on the service type, including real-time RTK and post-processing RINEX data.
SmartNet and TopNETlive are subscription-based commercial networks, providing premium services with technical support.
Coverage & scale
- ASG-EUPOS consists of over 100 reference stations, ensuring full coverage of Poland.
- Commercial providers (SmartNet and TopNETlive) add redundancy and specialized services, ensuring consistent performance across the country.
- All networks are aligned with the ETRF89 reference frame and integrated into EUPOS Europe.
Typical use cases
- Cadastral surveying and property registration.
- Civil engineering, infrastructure, and construction projects.
- Precision agriculture across Poland’s extensive farmlands.
- GIS mapping, environmental monitoring, and scientific research.
How it’s used in practice
- Surveyors connect GNSS rovers to ASG-EUPOS, SmartNet, or TopNETlive NTRIP services for real-time centimeter-level positioning.
- RINEX data from ASG-EUPOS supports geodetic and geophysical post-processing workflows.
Notes
- ASG-EUPOS is considered one of the most reliable national GNSS services in Central Europe.
- Commercial networks provide additional benefits such as 24/7 customer support and compatibility with branded GNSS equipment.




