The NASA/JPL BlackJack GPS receiver on CONAE's SAC-C mission
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In this paper we provide an evaluation of the backpropagation method on simulated occultations as well as data collected by CHAMP and SAC-C.
As our civilization becomes more dependent on space based technologies, we become more vulnerable to conditions in space weather. Accurate space weather specification and forecasting require proper modeling which account for the coupling between the sun, the magnetosphere, the thermosphere, the ionosphere and the mesosphere.