DIY - How to launch a weather balloon into space

Marshall Brain

This video shows a family effort in launching a balloon into the stratosphere, 17 miles up. The balloon carries a camera and an iPhone, which acts as a tracking device to aid recovery:

If you would like to send up a balloon of your own, this month's issue of Make magazine has a nice article on the topic:

Weather Balloon Space Probes

They recommend getting a balloon from (the 1,500g sounding balloon). Get a radar reflector from Davis Instruments (this helps keep airplanes from crashing into your balloon). Get parachutes from Get a controller from To track your balloon and find its landing site consider:

If you want to be official:

FAA stuff

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