Geoid Models

The geoids available on this page are converted directly from the geoid files downloaded from official sources. We are not responsible for the contents of these files; you are responsible for testing them with your system.

If you need a geoid that is not available here, please contact HYPACK Technical Support (

United States

Based on data from the National Geodetic Survey.

  • 2018 - (GEOID18 does not cover Alaska, Hawaii, Guam and the Commonwealth of the Northern Mariana Islands (CNMI) where users should continue to use GEOID12B.)
  • 2012B
  • 2012A
  • 2009
  • 2006
  • 2003
  • 1999

Canada and Greenland

Based on data from Natural Resources Canada



Australia and Oceana


Mexico, Central America and Caribbean 

South America


US, Canada and Greenland

Mexico, Central America & the Caribbean

South America


Antarctic Region

Asia - North

Asia - Central

Asia - South

Australia & Oceana


Middle East

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