Global Fiducials Library Data Access Portal

About

The Global Fiducials Library (GFL) is a long-term archive of images from U.S. National Imagery Systems which represents a long-term periodic record for selected scientifically important sites. The GFL was created to be the collection, archive and data management component of the Global Fiducials Program (GFP).

Background of GFL

Background of GFL
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What is a Fiducials Site?

What is a Fiducials Site?
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How can I get GFL Data?

How can I get GFL Data?
Downloads and Specs