Am Fr., 8. Mai 2020 um 17:16 Uhr schrieb Martin Koppenhoefer < dieterdre...@gmail.com>:
> I was not aware there weren't any meaningful differences (when comparing > some official height references to the German DHHN92 those in wikipedia.de > with delta information all are within 1m besides Belgium DNG/TAW, which is > -2.3). Maybe all we should do is clarify that we are NOT expecting > ellipsoid heights in ele tags (leaving open the possibility to add > ele:datum tags)? WGS84 uses a 2 dimensional ellipsoidal coordinate system? > Wouldn't "natural" height information be based on this ellipsoid? I'm all > fine with stating we should use geoid heights, but it doesn't necessarily > seem to be implicit. > forgot the link: https://de.wikipedia.org/wiki/H%C3%B6he_%C3%BCber_dem_Meeresspiegel#Amtliche_H%C3%B6hensysteme_ausgew%C3%A4hlter_L%C3%A4nder
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