GCOS Reference Upper-Air Network
Measurements
The GRUAN measurements
Current GRUAN data flow
Separated by measurement systems of sites
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GRUAN balloon-borne measurements
Separated by instrument types
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GRUAN radiosonde launches
Separated by radiosonde models
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Special comparison measurements
Important part of change management
Example plot of radiosonde camparison launches: Vaisala RS92 vs. Vaisala RS41 (see and get more after login)