Examination is made of the potential for in-space-propagated electron beams for storage rings that buffer solar energy collected in low-orbit-altitude satellites. An example case in a 3,000-mile equatorial orbit utilizes a nine-beam helical configuration to store 5.8 TJ in 60 MeV electrons. Electron energized optical and rf generators are covered including transmission of a 3 GW synchrotron radiation beam of λc = 1,000Å over 6,000 km to a ground receiver with an 827 m aperture.
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