radiosonde

listen to the pronunciation of radiosonde
English - Turkish
radyosonda
English - English
A miniature radio carried aloft by an unmanned balloon to broadcast the pressure, temperature, and relative humidity of the upper air and to automatically transmit that information to the ground
{i} package of meteorological instruments carried aloft by a balloon (transmits weather data to a monitoring station via radio waves)
radiosondes
plural of radiosonde