Figure 60 1975 Dollar ROM Costs, $K, for Critical Technology and Ground Test Program The orbital test program is planned to accomplish the successful demonstration of the mandatory and the highly desirable objectives given in Figure 61. Some related intermediate benefits are as shown. The microwave power transmission system related hardware is shown as microwave payload in the figure. In order to scope the effort involved in meeting the objectives of Figure 61, an approach using an orbital test facility was taken. An orbital test facility was sized considering the power densities desired both in the ionosphere (50 mW/cm^) and on the ground (20 mW/cm2). The high antenna angular rates encountered at altitudes of 350 km to 500 km will pose design and operational problems not present at geosynchronous altitudes. It should be emphasized that the quantities of equipments deemed appropriate for the orbital test program are at this time uncertain. Further in-depth investigations should be conducted from which the quantities and scope should be progressively revised. In particular, those objectives associated with the high power microwave beam effects on the ionosphere warrant in-depth investigation and independent assessment. This should be done before accepting them as requirements that will play a major role in formulating the orbital test program. Figure 62 gives the mission schedule for the orbital test program. Missions 2 through 11 deal with the Low Earth Orbit (LEO) orbital test facility (OTF). Mission 1 requires a satellite at geosynchronous altitudes. The critical technology (ground based part of flight test program) schedule is shown in Figure 63 and a summary of the MPTS Orbital Test Program costs including technology is given in Figure 64. A management and integration charge of 40% has been applied to the non-Shuttle costs for the prime or integrating contractor role. A 20% contingency is placed on the final figure.
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