1. Sapienza University of Rome,Italy
2. HIMET, L’Aquila,Italy
3. European Space Agency (ESA/ESOC),Darmstadt,Germany
4. CETEMPS, University of L’Aquila,Italy
5. Institute of Atmospheric Sciences and Climate CNR-ISAC,National Research Council of Italy,Rome,Italy
6. AdaptiveMeteo,Rome,Italy
7. European Space Agency (ESA/ESTEC),Noordwijk,Netherlands