DEVELOPMENT ISSUES • Impact of concentrated masses (instrumentation, data relay, pressure control) int terms both of packaging and loads needs to be assessed • Some issues remain with regard to the torus: - fabrication & closure - packaging & evacuation • The design of the rectenna membrane’s attachment is an open matter • The membrane packaging (pattern, efficiency) is yet undefined > The feasibility of a passive pressurization approach is not proved * A way to obtain data on the behaviour of the PIC rectenna in flight has to be defined CONCLUSIONS • The baseline is the outcome of a number of best-guess assumptions • The PIC concept can provide a sensible rectenna aperture for reasonable mass, volume budgets • The flight of such an object would support development of ISRS technology • Addressing a number of basic issues can establish the viability of the proposed approach
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