Abstract
QUASAT is a joint ESA/NASA cooperative mission for a free-flying VLBI antenna to be used with the U.S. and European ground arrays. The spaceborn reflector shall have a diameter of 15 m or more and shall operate at three frequencies: 1.6, 5 and 22 GHz. These requirements are very stringent and very difficult to satisfy. The reflector proposed by the European Space Agency as part of the Quasat assessment study shall be presented. Such reflector shall use the Inflatable Space Rigidized technology under development within ESA. Results of the performances envisaged from such design shall be discussed together with the manufacturing and testing problems envisaged for such reflector. Results derived by different reflector design but using the same Inflatable Space Rigidized technology shall also be presented.
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