A REVIEW OF BALLOON MEASUREMENTS OF X-RAYS IN THE AURORAL ZONE,
CALIFORNIA UNIV BERKELEY
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Although balloon studies suffer from severe limitations, they have contributed information to the study of auroral-zone processes which cannot be readily obtained in any other way. The intensive time coverage at one location and the ability to separate temporal from spatial effects are the two most important advantages enjoyed by this vehicle. Because of the relatively low costs of the balloon vehicle, flight quality instruments, and launch operations, a large number of flights have been made at many sites throughout the world. This review is concerned with intrinsic properties of the X-ray fluxes and their parent electron spectrum. Their energy, flux, spatial distribution and temporal structure are considered.
- Atmospheric Physics