The instrument consisted of three major components a charge measuring module, a spark chamber for determining particle trajectories, and a ionization spectrometer for measuring total energy.
Balloon launched on: 4/28/1969
Launch site: Holloman Air Force Base, Alamogordo, New Mexico, US
Balloon launched by: Air Force Cambridge Research Laboratories (AFCRL)
Balloon manufacturer/size/composition: Zero Pressure Balloon
End of flight (L for landing time, W for last contact, otherwise termination time): 4/29/1969
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 29 h 30 m
Landing site: 28 miles E of Industry, Texas, US
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