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@eelcodoornbos @NSIDC We need an updated polar-orbit aurora imager to replace DE-1 SAI & Polar VII VIS. Lou Frank's work @ UIowa @physicsastron not advanced except by China. https://t.co/TiLTjmTXn1 https://t.co/0b7FoN0l0N https://t.co/y4tK69iWJx