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Instrument: DC8 DROPSONDES
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DC8 DROPSONDES: DC-8 are aircrafts that study the atmosphere and
onboard are many instruments such as dropsondes like AVAPS and
other meteorological equipment; the system uses dropwinsonde and
Global Positioning System (GPS) receivers to measure the
atmospheric state parameters (temp, humidity,
windspeed/direction pressure) and location in 3 dimensional
space during the sonde's descent once each half
second. Measurements are transmitted to the aircraft from the
time of release until impact with the ocean's surface.