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High Altitude Balloons

Nowadays, you can often find high school science projects to send a cell phone (or similar) up into the sky on a cheap weather balloon. Shortly before it became fashionable (and much easier!) to do, a few coworkers and I set out to see how hard it would be.

First launch: September 23rd, 2007

  • Peak altitude: 96,645 feet (29.45 kilometers)
  • Distance traveled: 63.6 miles (102.35 kilometers)

Getting ready to launch

10k feet over Missouri

Second launch: August 28th, 2010

  • Peak altitude: 107,854 feet (32.87 kilometers)
  • Distance traveled: 29.4 miles (47.31 kilometers)

More launch prep

107,854 feet