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PC Software Download - VERTCON

VERTCON - Version 2.1

[September, 2003]

Description

Computes the modeled difference in orthometric height between the North American Vertical Datum of 1988 (NAVD 88) and the National Geodetic Vertical Datum of 1929 (NGVD 29) for a given location specified by latitude and longitude. This conversion is sufficient for many mapping purposes.

An on-line interactive version is also available from the Geodetic Tool Kit.

  • Please View the User's Guide first!

  • Download the PC executable

  • Download the Eastern USA |  Central USA |  Western USA grid file.

  • Download the convasci and convbin utilities (See README.TXT for a description of these grid conversion utilities).

  • Download a ZIP'ed archive of the VERTCON executable, the three grid files, the grid conversion utilities, the FORTRAN source, the user's guide, and sample files [2.60 MB].
Disclaimer
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http://www.ngs.noaa.gov/PC_PROD/VERTCON/index.shtml Last Modified:
April 15, 2011.