Converter
height relative to ellipsoid · Geodesy / GNSS · Modern
ellipsoidal height
exact
- Record
- M603
- Definition quality
- Standardized
- Conversion mode
- contextual
- Calculator
- Context required
Definition
Ellipsoidal height is a point's height above or below a reference ellipsoid, commonly obtained from GNSS.
History & use
NOAA distinguishes ellipsoidal height h from orthometric height H and geoid height N.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high
- David B. Zilkoski, Edward E. Carlson, Curtis L. Smith; NOAA National Geodetic Survey — https://www.ngs.noaa.gov/PUBS_LIB/NGS592008069FINAL2.pdf
- NOAA National Ocean Service, Charting and Geodetic Services / National Geodetic Survey — https://repository.library.noaa.gov/view/noaa/2827/noaa_2827_DS1.pdf