D.3 EARTH ACTIVITIES o RESOURCE EXTRACTION, MANUFACTURING, AND TRANSPORTATION EFFECTS o LAND USE - RECTENNA - LAUNCH AND RECOVERY SITES D.4 OPERATIONAL SPACE ENVIRONMENT o IONIZING RADIATION BIOLOGICAL AND EQUIPMENT EFFECTS DOSAGE AND SHIELDING ASSESSMENT o MICROWAVE RADIATION REFLECTED/SCATTERED o MAGNETOSPHERE PLASMA SPACECRAFT CHARGING HIGH VOLTAGE - PLASMA INTERACTION o METEOROIDS CREW/HABITAT EQUIPMENT/SOLAR CELLS o SPACE "TRAFFIC" MULTIPLE SPS'S AND THEIR LOGISTICS SUPPORT OTHER SATELLITES Figure X-2.- Concluded. More definitive comparisions of the relative merits of space solar power with other systems such as coal, nuclear, and solar terrestrial are also required in the present phase. Detailed areas in which these comparisons should be attained are presented in figure X-3. This phase will also involve the detailed definition and cost of the subsequent technological advancement phase. Key activities to support this definition will include solar power system studies, space station analyses as related to subscale system evaluation, technology studies, and program analyses. A number of significant test activities are proposed to be conducted in this initial phase. A partial listing of these tests is included in figure X-4.
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