How to Configure Orthometric Height in Eos Tools Pro, GPS GIS GNSS Video Tutorial
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Video Tutorial: How to Configure Orthometric Height in Eos Tools Pro

Eos offers real-time orthometric heights as an included feature in the free Eos Tools Pro app (for iOS, Android, Windows). In this tutorial, we will show you how to configure Eos Tools Pro and the Arrow GNSS receiver to output orthometric height measurements to your chosen data collection app, from built-in GEOID models within Eos Tools Pro.

Eos Tools Pro runs in the background of your chosen data-collection app (e.g., ArcGIS Field Maps) when using an Arrow GNSS receiver. Simply connect your Arrow GNSS receiver to your mobile device and configure the settings to switch from ellipsoidal to orthometric heights, based on your local GEOID model.

View the video tutorial below, or scroll down for a written version of the tutorial!

How to Configure Orthometric Height in Eos Tools Pro

1. Open Eos Tools Pro, and tap on the “Config” tab at the bottom of the app.

How to Configure ArcGIS, Collector for ArcGIS, and Eos Tools Pro for Laser Offset Mapping and Orthometric Height

2. Select “Altitude” in the upper menu bar. From the “Altitude Reference” drop-down, select “Orthometric”.

Eos Tools Pro screenshot: Sett Survey-Grade Elevations in Altitude tab for real-time orthometric height conversions on iPad Air

3. Now you’ll see a list of the available (downloadable) GEOID models pop up. Scroll down to your country, and select the GEOID model you wish to download. For fieldwork in the United States, you’ll want to select GEOID18 / NAVD88 (NAVD83 2011). Scroll down to the end of the article for a full list of supported GEOID models.

Once you’ve downloaded the correct GEOID model, select it by simply tapping on it. Then tap on “Done”.

How to Configure ArcGIS, Collector for ArcGIS, and Eos Tools Pro for Laser Offset Mapping and Orthometric Height
How to Configure ArcGIS, Collector for ArcGIS, and Eos Tools Pro for Laser Offset Mapping and Orthometric Height

Note: The GEOID model that is in use will be displayed on the main Eos Tools Pro status page, right below the receiver’s coordinates.

How to Configure ArcGIS, Collector for ArcGIS, and Eos Tools Pro for Laser Offset Mapping and Orthometric Height

Congratulations! Your GEOID model is now set within Eos Tools Pro.

Supported GEOID Models

Australia

  • AUSGeoid09 / AHD71 (GDA94)
  • AUSGeoid2020 / AHD71 (GDA2020)

Brazil

  • MAPGEO2015 / DVB-I (SIRGAS 2000)

Canada

  • CGG2013a / CGVD2013 (ITRF 2008)
  • CGG2013a / CGVD2013 (NAD83 CSRS)
  • HTv2.0 / CGVD28 (NAD83 CSRS)

Iceland

  • IceGeoid2011 / ISH2004 (ISN2004)
  • IceGeoid2011 / ISH2004 (ISN2016)
  • IceGeoid2011 / ISH2004 (ISN93)

Sweden

  • SWEN17 / RH 2000 (SWEREF 99)

USA

  • GEOID12B / NAVD88 (NAD83 2011/PA11/MA11)
  • GEOID18 / NAVD88 (NAD83 2011)

 

Our technical support team is regularly assessing new GEOID models based on customer demand. This list is regularly updated and was last updated in December 2021.

Don’t see your GEOID model, or have further questions? Contact technical support!

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