TPC Geoid Downloads

  • Select the geoid models you want to install from the list below and click Download and install.
ModelReference URLDownload SizeDownload Link
NGA: EGM 84, 96, 2008http://earth-info.nga.mil/GandG/wgs84/gravitymod/wgs84_180/wgs84_180.html
http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm96/egm96.html
http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm2008
963 MB

for TPC 2019

for TPC 2020

NGS: Geoid12A / Geoid12Bhttps://www.ngs.noaa.gov/GEOID/93 MB

Download

NGS: Geoid18https://www.ngs.noaa.gov/GEOID/29 MB

Download

The NGA geoid model is currently supported in TPC Desktop 2019 R1 and newer.

  • TPC will install the geoid models to C:\ProgramData\Traverse PC\TPC Desktop [version]\Geoids\

The NGS Geoid12A/Geoid12B model is currently supported in TPC Desktop 2020 R0 and newer.

  • TPC will install the geoid models to C:\ProgramData\Traverse PC\Geoids\[Model]\

The NGS Geoid18 model is currently supported in TPC Desktop 2020 R1 and newer.

  • TPC will install the geoid models to C:\ProgramData\Traverse PC\Geoids\[Model]\