1997 Mankins NASA SPS Fresh Look

GEO Millimeter Wave System Space Solar Power Concept Summary • Space segment concept uses millimeter wave (245 GHz) transmission to reduce antenna and rectenna size, optimize system at smaller total power levels • 150 mt HLLV delivers complete SPS in 2 launches • No in-space infrastructure required - automated rendezvous and docking in LEO • SEP delivers full SPS to GEO; also used for station keeping over lifetime

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