Author Affiliations

E. ARMANDILLO,^* F. BRIOSCHI,^# E. STUCCHI,^# E. ZANZOTTERA,^# A. FERRARIO,^$ C. MALVICINI,^$ M. ENDEMANN,^† G. BENEDETTI-MICHELANGELI,^‡ M. FAZI,^‡ A. MARTELLUCCI,^‡ and P. TONINI^‡

^*European Space Research & Technology Center, 1 Keplerlaan, Noordwikj, The Netherlands

^#CISE Technologie Innovative S.p.A., P.O. Box 12081, 20134 Milan, Italy

^$Quanta System, 18 Via Venezia Giulia, 20157 Milan, Italy

^†Battelle Institute, 35 Am Romerhof, D-6000 Frankfurt am Main 90, F. R. Germany

^‡Selenia S.p.A., 2 Via del Castelli Romani, 00040 Pomezia (Rome), Italy.