There is no data available on the purpose of the flight or the experiments performed. Below there is a link to the only known reference.
Balloon launched on: 9/14/1970
Launch site: Joe Foss field, Sioux Falls, South Dakota, US
Balloon launched by: Raven Industries Inc.
Balloon manufacturer/size/composition: Zero Pressure Balloon
End of flight (L for landing time, W for last contact, otherwise termination time): ??/??/1970
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