SAPOS® Central Office
Established at the Agency for Geoinformation and State Survey of Lower Saxony (LGLN)
SAPOS® - Satellite positioning service of the German national surveying authority
The SAPOS® satellite positioning service is a joint project of the Working Committee of the Surveying Authorities of the States of the Federal Republic of Germany (AdV). SAPOS® provides the official geodetic spatial reference in the form of a Germany-wide network of GNSS reference stations.
The SAPOS® service is based on a network of around 270 GNSS reference stations permanently operated in the federal states, as well as additional reference stations in Germany’s neighbouring countries. This ensures that highly accurate and uniform correction data services are provided for the entire country in the official three-dimensional reference system (ETRS89/DREF91).
SAPOS® Central Office - a success story
Authorised by the federal states, the SAPOS® Central Office has been operating successfully for many years as the central point of contact and negotiating partner for customers operating nationwide. The central sales office is located in Hanover at the Lower Saxony State Office for Geoinformation and Surveying (LGLN).
The main tasks of the SAPOS® Central Office are
- Providing SAPOS® services nationwide via a central NTRIP caster
- Granting rights of use and billing for customers operating across state borders or nationwide
- Providing data from SAPOS® reference stations for operating own real-time postitioning services.
- Developing uniform SAPOS® standards nationwide and ensuring quality
- Initiating and coordinating research projects in the SAPOS® environment
- Supporting the AdV in nationwide activities
- Representing the AdV in the international standardisation committee RTCM (Radio Technical Commission for Maritime Services)
- Public relations and marketing for SAPOS® – participation in trade fairs and conferences
