TETROON


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AcronymDefinition
TETROONTethered Meteorological Balloon
TETROONtetrahedral shaped balloon
References in periodicals archive ?
The tetroons allow us to measure atmospheric activity where the insects are doing their thing.
But that's not the kind of hot air balloons featured in "The Hot Air Balloon Book: Build and Launch Kongming Lanterns, Solar Tetroons, and More", an impressive do-it-yourself instruction book for ages 9 to 99 showing how to construct and operate an impressive variety of eight different hot air balloon constructions.
They listened to the audio signals transmitted while the tetroons drifted at an altitude of about 2,500 feet.