PC Software Download - VERTCON
VERTCON - Version 2.1
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].
For more information contact NGS Information
or call (301) 713-3242, Monday-Friday, 7:00 AM - 4:30 PM eastern time.
For questions about this page or downloading
April 15, 2011.