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Radiosondes and Rawinsondes

Radiosondes and Rawinsondes - RF CafeRadiosondes and rawinsondes are types of instruments used to measure atmospheric parameters such as temperature, humidity, pressure, and wind speed/direction at various altitudes. While they are similar in function, there are some differences in how they operate.

A radiosonde is a small, battery-powered device that is carried aloft by a helium-filled balloon. As the balloon rises, the radiosonde transmits data back to a ground station, typically using radio waves. The data includes measurements of temperature, humidity, pressure, and wind speed/direction. Radiosondes are often used in weather forecasting and research, as they provide a vertical profile of the atmosphere.

A rawinsonde is similar to a radiosonde, but it also has a radar system that allows it to measure wind speed and direction in addition to the other atmospheric parameters. The radar system sends out a signal that is reflected back by particles in the air, and the Doppler shift of the signal is used to calculate wind speed and direction. Rawinsondes are typically launched from the ground using a balloon, and they transmit data back to a ground station in real-time.

A wind-sonde is a type of instrument that is used to measure wind speed and direction aloft using radio waves. Like radiosondes and rawinsondes, wind-sondes are typically carried aloft by a balloon. As the wind-sonde rises, it transmits a signal back to a ground station, which is used to calculate wind speed and direction. Wind-sondes are often used in research and atmospheric monitoring. 


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