1997 Mankins NASA SPS Fresh Look

Large Aperture Array Constellation Space Solar Power Concept Summary • Constellation of small power satellites In GEO • Arranged to provide large effective aperture • Diffraction patterns produce many grating lobes • Power collected by many small rectennas; one rectenna per grating lobe • Advantages include: - small satellites - incremental buildup - small spot size • Issue of grating lobes remaining stationary over orbit • Loss of one satellite disrupts pattern

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