Pilot balloon

noun

Word Frequency: 0.0

Definitions

1.nounA small unmanned balloon whose ascent is followed by a theodolite to obtain data for the computation of the speed and direction of winds in the upper air.

Synonyms

pibal weather balloon pitot tube velometer statoscope stadiometer telemeteorography aerotonometer ozonesonde phototheodolite barometer kinetheodolite

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