GCOS Reference Upper-Air Network
GRUAN News
News of network, community and related science
Article
Measurement Science and Technology paper Mashao et al. 2026 published
The manuscript "Evaluating temperature and humidity measurement biases in RS92 and RS41 radiosondes using radio occultation data" has been published…
Document
GRUAN Technical Note 15 published
GRUAN Technical Note 15 (GRUAN-TN-15) published with title "GDP Reprocessing Rules"
Article
Measurement Science and Technology paper Coppa et al. 2026 published
The manuscript "Perspective on measurements and modeling of Earth’s climate" has been published on Measurement Science and Technology.
Article
Remote Sensing paper Alraddawi et al. 2026 published
The manuscript "Pseudo-Monthly Raman Lidar Dataset for Reference Water Vapor Observations in the UTLS" has been published on Remote Sensing.
Article
Quarterly Journal of the Royal Meteorological Society paper Ingleby et al. 2026 published
The manuscript "Stratospheric and tropospheric seasonality and its implications for observation requirements in numerical weather prediction" has been…
Article
Journal of Atmospheric and Solar-Terrestrial Physics paper Mashao et al. 2026 published
The manuscript "Integrating satellite-based atmospheric soundings and machine learning to correct radiosonde temperature biases" has been published on…
Article
Nature Scientific Reports paper Madonna et al. 2026 published
The manuscript "Water vapor transport observed at a coastal Mediterranean site during the summer of 2021 and compared with ERA5" has been published on…
Community Meeting
ICM-16 recordings online
The recordings of the presentations at ICM-16 are available under the Agenda-tab at the ICM-16 page.
Document
Publication of the GRUAN Manual-Guide (GCOS-271)
The GRUAN manual-guide replaces the existing GRUAN manual (GCOS-170) and guide (GCOS-171), and provides an update for various operational aspects of…
Document Station
GRUAN Technical Note 10 published
GRUAN Technical Note 10 (GRUAN-TN-10) published with title "Data policy and data distribution strategy"
Station
GRUAN certification of Hong Kong (HKO)
The GRUAN radiosounding measurement program at Hong Kong has been certified by GRUAN.
Meeting Document
ICM-16 meeting report published
The report of the GRUAN ICM-16 meeting is available for download.
File archive
Shut down of old FTP server
As announced during ICM-16, GRUAN's old central FTP server (filetransfer.gruan.info) is now being shut down.
Meeting
ICM-16: 17 to 21 November 2025 in Tenerife, Spain
The ICM-16 took place from November 17 to 21, 2025 in Tenerife, Spain. All presentations are now available.
Station
GRUAN certification of Tenerife (TEN)
The GRUAN radiosounding and GNSS programs at Tenerife have been certified by GRUAN.