Two instruments, S71A, S71E, to measure electron and proton intensities and spectra.
To investigate the effects of high-energy charged particles on the polar ionosphere.
1 Oct 1969
ESA, Elektronikcentralen, Kiruna Geophysical Institute, Universitetet I Bergen, Norwegian Institute of Cosmic Physics, University of Birmingham
Further Project Information
astronautix (link opens in a new window)
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