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The Black Hole Explorer (BHEX) mission extends the submillimeterVery-Long-Baseline Interferometry (VLBI) to space. The preliminary baselinedesign of a shaped axial-symmetric displaced-axis dual-reflector antenna forthe BHEX is presented. The main goal of the antenna design optimization is tomaximize aperture efficiency given the geometric and mechanical constraints ofa space-borne antenna.

Preliminary Baseline Antenna Design for the Black Hole Explorer (BHEX) Mission