— The Space Power Grid (SPG) architecture described in papers from our group since 2006, is an evolutionary approach to realizing the global dream of Space Solar Power (SSP). SPG first concentrates on helping terrestrial power plants become viable, aligning with public policy priorities. It enables a real-time power exchange through Space to help locate new… (More)
Some errors have been found in the distribution of modified N in a paper by Green & Grennan (1991). These have now been corrected, also a modified form of a new test--criterion Q is presented. Both are applied to data.