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(*METEOROLOGICAL BALLOONS
4
Atmospheric Physics
4
BALLOON EQUIPMENT
4
LAUNCHING
4
Meteorology
TELEMETER SYSTEMS
4
PERFORMANCE(ENGINEERING))
3
TRACKING
3
(*ATMOSPHERIC SOUNDING
2
*STRATOSPHERE)
2
CANADA
2
CONTROL SYSTEMS
2
CORDAGE
2
FLIGHT PATHS
2
FLIGHT TESTING
2
FORT CHURCHILL(CANADA)
2
GONDOLAS
2
PARACHUTES
2
PAYLOAD
2
SKYHOOK BALLOONS
2
SKYHOOK PROGRAM
2
(*COSMIC RAYS
1
(*STRATOSPHERE
1
*ATMOSPHERIC SOUNDING)
1
*SKYHOOK PROGRAM
1
CLIMATE
1
COSMIC RAYS
1
FAILURE
1
HELICOPTERS
1
HIGH ALTITUDE
1
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