FieldGenius requires a geoid file for your location in order to store orthometric (geoid) elevations. The file should be copied into:

On a mobile device:

<location varies>\MicroSurvey FieldGenius\Programs\Mapping\

On a Tablet computer running Windows 7/8/10 or newer:

C:\ProgramData\MicroSurvey\FieldGenius\<your version>\Mapping\

Note: the "ProgramData" folder is hidden by default. (Click Here to learn how to show hidden folders)

On an Android Tablet running OS 6.0 or newer:

/Internal storage/FieldGenius/Mapping/

On a Tablet computer running Windows XP or older:

C:\Documents and Settings\All Users\Application Data\MicroSurvey\FieldGenius\<your version>\Mapping\

Note: the "Application Data" folder is hidden by default.

To use the Geoid Models in FieldGenius:

• From the Main Menu | Settings | Coordinate Systems change the Vertical Systems field to the desired .byn file
• Your GPS derived coordinates will now have orthometric heights derived from the selected geoid model.

MicroSurvey CAD, incad and embeddedCAD 2014 and newer support using geoid files for transforming orthometric (geoid) elevations. The geoid file(s) for your region should be copied into:

On Windows Vista/7/8/10 or newer:

C:\ProgramData\MicroSurvey\(Product Name)\yyyy\mscad\Mapping\

Note: the "ProgramData" folder is hidden by default. (Click Here to learn how to show hidden folders)

On Windows XP or earlier:

C:\Documents and Settings\All Users\Application Data\MicroSurvey\(Product Name)\yyyy\mscad\Mapping\

Note: the "Application Data" folder is hidden by default.

MicroSurvey STAR*NET supports using geoid files for transforming orthometric (geoid) elevations.

MicroSurvey STAR*NET 7 (and earlier) requires that you convert the geoid file(s) into STAR*NET's "neutral" .ght format, using the free STAR*Geoid utility. Not all geoid formats are supported, please refer to your STAR*NET product manual for additional details and instructions.

MicroSurvey STAR*NET V8 and newer allows you to copy the the older .ght, .bin or .byn geoid file(s) for your region directly into the following folder, and then can be selected on the Modeling tab of your Project Options:

On Windows Vista/7/8/10 or newer:

C:\ProgramData\MicroSurvey\StarNet\V#\Mapping\

Note: the "ProgramData" folder is hidden by default. (Click Here to learn how to show hidden folders)

On Windows XP or earlier:

C:\Documents and Settings\All Users\Application Data\MicroSurvey\StarNet\V8\Mapping\

Note: the "Application Data" folder is hidden by default.

Below is a list of which geoid models we support. If you require a geoid model not currently listed below, please contact MicroSurvey.

MicroSurvey continues to add additional coordinate systems and geoid models whenever users require them.

Click on the Country's name to access the download:

Below is a list of EGM08 cutouts we have created. If you require a regional cutout not currently listed below, please contact MicroSurvey.

MicroSurvey continues to add additional coordinate systems and geoid models whenever users require them.

Click on the Country/Region name to download the BYN file or access a download page:

Click here for a map of available EGM08 Cutouts