1. Department of Information Engineering, Electronics and Telecommunications (DIET), Sapienza University of Rome, Rome, Italy
2. European Space Operations Centre (ESOC), LSE Space GmbH, European Space Agency, Darmstadt, Germany
3. Department of Electronics, Information and Bioengineering (DEIB), Politecnico di Milano, Milan, Italy
4. Consiglio Nazionale delle Ricerche (CNR-IMAA), Potenza, Italy
5. Air Force Research Laboratory, Rome, NY, USA
6. European Space Agency (ESA/ESTEC), Noordwijk, The Netherlands