UpperAirObservingSystem
urn:aero:airm:1.0.0:ConceptualModel:Subjects:Meteorology:UpperAirObservingSystem
The upper-air observing program of NOAA, composed a network of ground-based remote-sensing wind profilers, en-route commercial aircraft in-situ observations (MDCRS), upper-air observations taken manually by pilots and disseminated by PIREPs, and of a network of rawinsonde stations (section 0).
Source:
[AIRM]