Altitude measurements

graph TB
3ea066c953d0eaa6["[[Orthometric height]]"]
57933fce80bf4ad8["GNSS measurements (WGS84 [[Ellipsoidal height|ellipsoidal height]])"]
b0b64d8c6675e55e["[[Geoid|Geoid height]]"]
57933fce80bf4ad8 --> b0b64d8c6675e55e
b0b64d8c6675e55e --> 3ea066c953d0eaa6