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[Satellite Today 06-16-09] Boeing Satellite Systems received a $13.8 million contract from the U.S. Defense Advanced Research Projects Agency (DARPA) for phase 2 of the Fast Access Spacecraft Testbed (FAST) satellite power generation and propulsion program, DARPA announced June 12.
The program is intended to demonstrate a high-power generation and propulsion system for mobile satellites. Boeing developed a plan for a demonstration system under phase 1. Phase 2 work includes fabrication, assembly and testing of two High Power Generation Subsystem (HPGS) prototypes to validate performance characteristics in simulated space environments.
The subsystems will integrate a solar-concentrator, power-conversion and heat-rejection satellite systems supported by a lightweight structure and deployment system for tracking the sun. When combined with electric thrusters, they will produce a lightweight power and propulsion system capable of providing responsive spacecraft maneuverability for on-orbit servicing, space-based situational awareness, and high-power payloads such as communication and radar systems. The HPGS is expected be able to generate as much as 50 to 80 kilowatts for operational users at high power levels.
An on-orbit demonstration of the system may be conducted following the ground test program.
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