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Giant Surveillance Balloons Are Lurking at the Edge of Space | WIRED
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Weather Balloon 1200 g – High Altitude Science
What is a weather balloon and why is it important ?
Weather Balloon Kit for a successful flight to the stratosphere | Stratoflights
DIY Group Sends $25 Balloon to 70,000 Feet | WIRED
Up, up and away! 6 benefits of automated weather balloon launches | National Oceanic and Atmospheric Administration