https://en.wikipedia.org/wiki/Latitude#Geodetic_and_geocentric_latitudes https://en.wikipedia.org/wiki/Latitude#Geodetic_and_geocentr... “The definition must b

https://en.wikipedia.org/wiki/Latitude#Geodetic_and_geocentric_latitudes https://en.wikipedia.org/wiki/Latitude#Geodetic_and_geocentr... “The definition must be accompanied with a specification of the ellipsoid.” etc.