At WMO website: https://library.wmo.int/viewer/69763/?offset=#page=1&viewer=picture&o=download&n=0&q=
Direct as PDF: GCOS-270
This is the meeting report of the 16th GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-16), hosted by the Agencia Estatal de Meteorologia (AEMET), in Tenerife (Spain), from 17 to 21 November 2025. All presentations are available for further review from the GRUAN meeting website here.