Two instruments, S71A, S71E, to measure electron and proton intensities and spectra.
Subject
STP
Main Objectives
To investigate the effects of high-energy charged particles on the polar ionosphere.
Launch date
1 Oct 1969
Partners
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)
ESA
NASA
For more information please contact: RAL Space Enquiries
