The Freja Mission edited by Rickard Lundin, Gerhard Haerendel, Sven Grahn.
Freja is a joint Swedish and German satellite, launched on October 6, 1992 and orbiting at 600--1750 km, covering the lower part of the auroral acceleration region. It has been designed to provide high-resolution measurements (both temporal and spatial) of auroral plasma characteristics. The high te...
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