Papers S.A. Curtis 269 Changes in the Terrestrial Atmosphere-IonosphereJ.M. Grebowsky Magnetosphere System due to Ion Propulsion for Solar Power Satellite Placement N. Jarrett 281 Extraction of Oxygen and Metals from Lunar Ores S.K. Das W.E. Haupin J.E. Rankin 289 S-Band Microwave Generation with Spherical Gyrocons P.J. Tallerico W.K. Muench 299 Automated Beam Builder Update R.E. Beverly III 317 Laser-SPS Systems Analysis and Environmental Impact Assessment Technical Reports M. Ettenberg 345 SPS Design with Solid-State Transmitter J. Ruth 351 Solar Power Satellities for Europe W. Westphal Meeting Reports J.W. Freeman 361 Workshop on the Microwave Power Transmission System W.L. Wilson for the Solar Power Satellite: Review Panel Report R. Mayur 373 A Report of the Meeting on Solar Power Satellites in Bombay held at The Bombay Gymkhana on August 8, 1979 H.P. Davis 375 Recent Developments in the Space Transportation System for the Solar Power Satellite F.R. Brotzen 383 Report on the International Symposium on Solar Power Satellites held in Toulouse, France, June 25-27, 1980 389 Meeting Announcements 391 News
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