Institute for Telecommunication Sciences
the research laboratory of the National Telecommunications and Information Administration

William B. Grant; E. L. Morrison; John R. Juroshek

Abstract: The large amount of power contained in the main beam and principal sidelobes of the proposed Solar Power System (SPS), now under study by DOE and NASA, potentially presents an EMC problem for other satellite systems. This report examines selected geosynchronous orbit (GEO) satellites in adjacent slots to an SPS, GEO satellites on a chord passing an earth horizon, and low~earth-orbit (LEO) satellites which may pass through the SPS power beam. Potential functional and operational impacts to on-board systems are analyzed. Mitigation techniques for SPS effects are examined, and recommendations summarized to allow satellites to operate satisfactorily in an SPS environment.

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