GaAs solar array major technology needs for the SPS program are identified in Table 3. Assumed values are given for critical parameters used in the satellite concept definition. Impacts on the SPS design from a failure to achieve the design values also are given in the table. These technology requirements are to be addressed as part of the Ground-Based Exploratory Development (GBED) activities.^ Table 2. Configuration Comparison Data Table 3. SPS Solar Cell Parameters as Design Drivers Figure 7. SPS Weight Uncertainty ^Satellite Power System Ground-Based Exploratory Development (GBED) System Analysis and Technology Plan. National Aeronautics and Space Administration. Rough Draft (December 1, 1979).
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