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The flux of cosmic-ray electrons in the energy interval of 17-63 MeV was measured in three high-altitude balloon flights during the summer 1967 near Fort Churchill, Manitoba. The average flux was found to be 0.3±{}0.2 electrons/m² sec sr MeV. Implications of this result on models of the origin of galactic cosmic-ray electrons and their solar modulation are discussed.
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Israel et al. (1968) studied this question.
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