wrote:
I understand that Cryosat is operational or close to it. Are there any
early data available, perhaps in preprint form, or any papers ?
Especially concerning East Antarctica ?

Cryosat apparently experienced a regrettable hydrobraking incident
during its launch. It is now not overflying the Arctic Ocean, but
rather exploring the Arctic Ocean's depths.

http://news.bbc.co.uk/2/hi/science/nature/4323378.stm

Mike Miller