GEO Relay concept which used laser frequencies and Airstats, the only significant differences between the space segments for the LEO-MEO and LEO-GEO relay concepts are the location of the relays and their size. To provide even modestly effective beam-coupling to a transmitting array whose diameter is on the order of 0.8 to 1 km, the ReflectArray should be 3 km in diameter or more. In-Space Infrastructure Relay satellite elements are initially deployed in LEO via multiple ETO launches. These modular elements are assembled with automated support systems and are either integrated with an orbital transportation vehicle that will deliver the relay satellite payload to GEO or utilize their own integral electric propulsion system to transfer themselves to their GEO destination. The assumption that this assembly and deployment process can be implemented without any unique in-space infrastructure needs to be validated by design analysis. LEO-GEO Relay: Ground Segment The nominal ground receiver for RF transmission would consist of a dipole antenna type rectenna, about 3 km in diameter. Because of the Geostationary nature of the relays, the rectenna at a ground site can be Figure 3-9 The LEO-GEO Relay Concept Architectural Context
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