What is the DNSC08 Mean sea surface model ellipsoid based on?

Question

Does anyone know what Danish Space centre DNSC08 mean sea surface model uses as the reference ellipsoid? there is no meta data on the web site:

There are several publications.
50% state TOPEX (the data comes from the IceSat missions) 50% state WGS84.

The difference between TOPEX and WGS is ~0.7m which is very significant.

nmtoken · Accepted Answer · 2016-08-16 15:35:16Z

1

TOPEX - information given to me by someone at the Danish Space Center

edit

As well as the above pers comm, several papers such as this recent dissertation tell us that the ellipsoid is TOPEX

nmtoken

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answered Nov 30, 2011 at 4:11

shawn

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