COSMIC RAY DETECTOR

Balloon launched on: 9/17/1973
Launch site: Sioux City Airport, Iowa, US  
Balloon launched by: National Scientific Balloon Facility (NSBF)
Balloon manufacturer/size/composition: Zero Pressure Balloon Winzen 441.800 m3 (15.24 microns Stratofilm)
Flight identification number: 87N
End of flight (L for landing time, W for last contact, otherwise termination time): ??/??/1973
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): F 63 h 10 m
Payload weight: 788 kgs

• A new interpretation of an event attributed to a magnetic monopole Pramana, Volume 10, Issue 2, pp 131-141, 1978
• Analysis of an interesting cosmic ray event Ph.D Thesis by Ray Hagstrom, University of California, Berkeley, 1978
• Evidence for detection of a moving magnetic monopole Physical Review Letters, vol. 35, Aug. 25, 1975, p. 487
• Further measurements and reassessment of the magnetic-monopole candidate Physical Review D - Particles and Fields, 3rd Series, vol. 18, Sept. 1, 1978, p. 1382
• National Scientific Balloon Facility Annual Report FY 1974 National Center for Atmospheric Research, December 1974
• Science: Bring It Back Alive TIME Magazine, Monday, Aug. 25, 1975