Tethersonde
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A tethersonde is a type of
radiosonde A radiosonde is a battery-powered telemetry instrument carried into the atmosphere usually by a weather balloon that measures various atmospheric parameters and transmits them by radio to a ground receiver. Modern radiosondes measure or calcula ...
used in atmospheric science for
atmospheric sounding Atmospheric sounding or atmospheric profiling is a measurement of vertical distribution of physical properties of the atmospheric column such as pressure, temperature, wind speed and wind direction (thus deriving wind shear), liquid water content, ...
. Tethersondes are attached to fixed or
tethered balloon A tethered, moored or captive balloon is a balloon that is restrained by one or more tethers attached to the ground and so it cannot float freely. The base of the tether is wound around the drum of a winch, which may be fixed or mounted on a vehic ...
s via a separate tether and can be moved up and down the tether to obtain multiple atmospheric readings.


References

Meteorological instrumentation and equipment {{climate-stub fr:Radiosonde#Radiosonde captive