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AN/UMQ-12 Mini-Rawin System

The Mini-Rawin System (MRS) AN/UMQ-12 is a meteorological system that measures air pressure, air temperature, humidity, wind speed, and wind direction (in the troposphere and lower stratosphere) received from ascending weather balloons. Measurements are based on the use of a free-flying expendable meteorological sonde (attached to a weather balloon), which transmits pressure, temperature, and humidity measurements to the AN/UMQ-12 over a radio link. The expendable meteorological sonde includes a navigation networks receiver to obtain the sonde location, which is relayed via the radio link to the AN/UMQ-12. The AN/UMQ-12 uses the sonde location data to process and compute the wind profile.

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