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    We are an association of geodetic and surveying professionals
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    Welcome to the American Association for Geodetic Surveying
  • AAGS aims to lead the community of geodetic, surveying, and land information data users through the 21st century
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UESI Surveying and Geomatics 2020 Conference


This is a reminder that the deadline is 1 November for submissions to the UESI Surveying and Geomatics 2020 conference in Lawrenceburg, Indiana. The conference runs May 31-June 2, with the student competitions... READ MORE

2023 Fig Working Week



Geoid 18 supersedes Geoid12B


Geoid 18 is now in production and no longer considered BETA.  Geoid 18 supersedes Geoid 12B and you should see Geoid 18 listed as the current geoid on the NGS datasheets.  OPUS is... READ MORE


59th meeting of the Civil Global Positioning System Service Interface Committee


All CGSIC, 59th meeting of the U.S. Civil GPS Service Interface Committee The U.S. Department of Transportation (DOT) and the Coast Guard Navigation Center (NAVCEN) will host the 59th meeting of the Civil... READ MORE

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All CGSIC, The Global Positioning System Directorate has approved a change to the Navstar GPS Control Segment to User Support Community Interfaces (ICD-GPS-240 and ICD-GPS-870) which will remove GPS satellite plane/slot and clock... READ MORE

NGS Announces proposal for an exchangeable GNSS vector format


Importance of Data Formats  Consistent data file formats are needed to make new technology accessible across sectors and industries. For example, the Receiver Independent Exchange (RINEX) file format was developed for working with... READ MORE