Z Coordinate

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Z Coordinate is the measurement of the device’s orthogonal distance from the WGS84 ellipsoid.

Also known as:

Altitude

HAE (Height Above Ellipsoid)

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.

NENA-REQ-003, NENA Requirements for 3D GIS for E9-1-1 and NG9-1-1

NENA-STA-015, NENA Standard Data Formats for 9‑1‑1 Data Exchange & GIS Mapping

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