The instrument took air samples as the balloon ascended to an altitude of approximately 90,000 feet.
Balloon launched on: 8/21/1998 at 10:42 utc
Launch site: Wallops Flight Facility, Wallops Island, Virginia, US
Balloon launched by: National Scientific Balloon Facility (NSBF)
Balloon manufacturer/size/composition: Zero Pressure Balloon SF3-0.197-.8/0-NHR
Balloon serial number: R0.197-0-04
Flight identification number: 457N
End of flight (L for landing time, W for last contact, otherwise termination time): 8/21/1998 at 12:19 utc
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 2h 18 m
Landing site: 5 miles SE of Quimby, Virgina, US
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