RADIOSONDE

n. package of meteorological instruments carried aloft by a balloon (transmits weather data to a monitoring station via radio waves)

A radiosonde (Sonde is French for probe) is a unit for use in weather balloons that measures various atmospheric parameters and transmits them to a fixed receiver. Radiosondes may operate at a radio frequency of 403 MHz or 1680 MHz and both types may be adjusted slightly higher or lower as required. A rawinsonde is a radiosonde that is designed to also measure wind speed and direction. Colloquially, rawinsondes are usually referred to as radiosondes.
See more at Wikipedia.org...

n. radiosonde, package of meteorological instruments carried aloft by a balloon (transmits weather data to a monitoring station via radio waves)

n. radiosonde, package of meteorological instruments carried aloft by a balloon (transmits weather data to a monitoring station via radio waves)

n. radiosonde, package of meteorological instruments carried aloft by a balloon; radio probe (space)