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Geodetic Information Systems and Web Applications

Information Systems

Link in a new window: International Earth Rotation and Reference Systems Service

Web pages of the International Earth Rotation Service

This service provides information on astronomical and global terrestrial reference systems and the data on the rotational behavior of the Earth.

Detailed information on the IERS

Link to IERS (www.iers.org)

Link in a new window: GNSS Data Center

GNSS Data Center of the BKG

The Data Center collects the data of almost 200 globally distributed GNSS permanent stations for various international, European and national projects.

Detailed information on the GDC

Link to GDC (igs.bkg.bund.de)

Logo of Information System for BKG stations of the Integrated Geodetic Reference Network of Germany GREF. It links to GREF in a new window.

Information system for the BKG stations of the Integrated Geodetic Reference Network of Germany - GREF (only in German)

Detailed information on GREF

Link to GREF (gref.bkg.bund.de)

Logo of information system of ECGN project. It links to ECGN in a new window

Information system of the project for establishing the European Combined Geodetic Network - ECGN

Detailed information on ECGN

Link to ECGN (www.bkg.bund.de/ecgn)

Logo of information system for European Height Reference System. It links to EVRS in a new window.

Information system for the European Vertical Reference System - EVRS

Detailed information on EVRS

Link to EVRS (www.bkg.bund.de/evrs)

Logo of information system for European Coordinate Reference Systems - CRS-EU. It links to CRS-EU in a new window.

Information system for European Coordinate Reference Systems - CRS-EU

The system contains the description for national European and pan-European coordinate reference systems for position and height and transformation parameters to pan-European Coordinate Reference Systems and online transformation for single points.

Detailed information on CRS-EU

Link to CRS-EU (www.crs-geo.eu)

Link in new window: Information system for computation of newtonian attraction of atmosphere

ATMACS - Atmospheric Attraction Computation Service

ATMACS is a joint service of BKG and DWD (Deutscher Wetter Dienst - German Weather Service) and provides time series for correction of atmospheric mass attraction in Gravimetry.

Detailed information on ATMACS

Link to ATMACS (atmacs.bkg.bund.de)

Link in new window: International database for absolute gravity measurements on BKG

Absolute Gravity Database AGrav of BKG and BGI

The international database AGrav (Absolute Gravity Database) is a joint service of BKG and the BGI Bureau Gravimetrique International - International Gravimetric Bureau) to store and provide the results of absolute gravity measurements worldwide.

Detailed information on AGrav

Link to AGrav (agrav.bkg.bund.de)

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Web Applications

Calculation of geoid heightsOffers calculation of levelling heights (official heights) from ellipsoidal heights (GNSS heights) for area of Germany - in German

Picture shows webpage for online calculation of geoid heights for single points. Link to the webpage in a new window. Online calculation of geoid heights

Calculation of gravity valuesOffers a calculation method of gravity values for the area of Germany based on a gravity model - in German

Picture shows webpage for online calculation of gravity values for single points. Link to the webpage in a new window. Online calculation of gravity values

Coordinate transformationCoordinate Transformation for Coordinate Reference Systems of BKG Geoddata

Picture shows interactive version of coordinate transformation of  BKG Servicecenter. Link to the webpage in a new window.Interactive version of coordinate transformation


Further services of the BKG in the field of Geoinformation you can find under the menu Geoinformation > Services and Applications.

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