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Old Posted Jan 8, 2021, 4:04 PM
Anders Franzén's Avatar
Anders Franzén Anders Franzén is offline
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Join Date: Aug 2009
Location: Swedish East Coast
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My experience is that it isn't too precise, but good enough.

In Google Earth you always substract the given ground level from the given height (above sea level) of the building. So it can always differ a meter or so.
An example:

Google Earth shows the ground level to be 10 m, when it is 9,6 m.

The height of a building is shown as 50 m above sea when it's 50.4 m.

This means that according to Google Earth, the building is 40 m, but in reality 40.8 m, or approx. 41 m.
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