Figure V-4.- Concept for solar cel 1/concentrator deployment. and solar cell blankets are deployed, power distribution cables are installed, and subsystems are checked out within the structural support of the construction base. Antenna fabrication takes place in a fashion similar to that described for the column/cable configuration. A construction sequence for the truss configuration is provided in figure V-6. A potential advantage of the truss configuration is the use of modular construction at a small construction base in LEO. Then a bootstrap transportation mode can be used to power the modular segment to GEO with energy derived by deployment of some of the solar cell blankets. These solar cells are degraded during the traverse of the Van Allen regions, which must be considered in sizing the array. Another principal issue with the modular approach is the docking and attachment of very large masses in GEO. The modular segments are very large and the relative motion between segments must be attenuated. A'docking system would have to be provided that achieves low distributed loads.
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