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February 3, 2021

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How to use custom geoid for orthometric height measurements in Android with Mapit GIS or Mapit Spatial

For some applications you may need to use a high quality orthometric height (height above mean sea level) measurement in real time. In orthometric height, planet earth shape at sea level is modelled with high detail (geoid).In this tutorial we will explain step by step how to use a custom geoid for high quality orthometric height measurements […]

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orthometric ellipsoidal geoid height

Ellipsoidal, orthometric and geoid height 101

Many customers get confused with the different heights (altitude) reported by their GNSS receiver.In this post we will show the concept of each one with plain words (we apologize to all surveyors and scientists that read this post). Ellipsoidal height:Planet earth shape is simplified as a rugby ball (ellipsoid).Ellipsoidal height is the vertical distance between

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