Message Of The Day (4 May 2022): Take the Geographic Calculator user survey for a chance to win a Blue Marble t-shirt!

Geospatial Data Validation

Quality assurance is essential for any business decision-making process. GeoCalc is regularly updated and always current with the International Association of Oil and Gas Providers' EPSG Geodetic Parameter Dataset. Blue Marble also references many of NOAA's National Geodetic Service libraries, tools and expertise along with other recognized international surveying associations where appropriate. We leverage our thirty years in business to provide the most reliable high-quality references for geodetic data to our customers.

Powerful, Consistent, and Reliable

The GeoCalc Geodetic Registry is a great resource for surveyors, geodesists, and GIS analysts concerned with accurate and reliable coordinate reference system definitions as well as the most accurate coordinate transformations.

GeoCalc Geodetic Registry Subscription

Contact our Sales Team to gain full access to a reliable tool for expert data processes and management. For a limited time, the GeoCalc Geodetic Registry can be used at no cost but registration is required.

Contact Us