GCOS-253 , GRUAN Implementation Plan 2024-2030. GCOS-235, June 2023: https://library.wmo.int/doc_num.php?explnum_id=11703 GCOS-250 , Report of the 14th GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-14), Université de La Réunion, Saint Denis, Réunion Island, 28 November – 2 December 2022: https://library.wmo.int/doc_num.php?explnum_id=11518 GCOS-242 , Report of the Thirteenth GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-13) Virtual Session, 15-19 November 2021: https://library.wmo.int/doc_num.php?explnum_id=11032 GCOS-237 , Report of the Twelfth GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-12), Virtual Session, 16-20 November 2020: https://library.wmo.int/doc_num.php?explnum_id=10537 GCOS-230 , Report of the Eleventh GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-11), Singapore, Singapore, 20-24 May 2019: https://library.wmo.int/doc_num.php?explnum_id=9935 GCOS-220 , Report of the Tenth GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-10), Potsdam, Germany, 23 - 27 April 2018: https://library.wmo.int/doc_num.php?explnum_id=4663 GCOS-211 , Report of the Ninth GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-9),Helsinki, Finland, 12 June - 16 June 2017: https://library.wmo.int/opac/doc_num.php?explnum_id=4245 GCOS-205 , GRUAN Implementation Plan 2017-2021. GCOS-205, February 2017: https://library.wmo.int/opac/doc_num.php?explnum_id=3389 GCOS-198 , Report of the Seventh GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-7), Matera, Italy, 23 February - 27 February 2015: http://library.wmo.int/pmb_ged/gcos_198_en.pdf GCOS-197 , Minutes Of The Working Meeting For GCOS Reference Upper Air Network (GRUAN), Geneva, Switzerland 18 November 2015: https://library.wmo.int/pmb_ged/gcos_197_en.pdf GCOS-180 , Report of the sixth GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-6), Greenbelt, MD, USA, 10 March - 14 March 2014: http://library.wmo.int/pmb_ged/gcos_180_en.pdf GCOS-171 , The GCOS Reference Upper-Air Network (GRUAN) GUIDE. GCOS-171, Version 1.1.0.3, March 2013, WIGOS Technical Report No. 2013-03: http://library.wmo.int/pmb_ged/gcos_171.pdf GCOS-170 , The GCOS Reference Upper-Air Network (GRUAN) MANUAL. GCOS-170, Version 1.1.0.3, March 2013, WIGOS Technical Report No. 2013-02: http://library.wmo.int/pmb_ged/gcos_170.pdf GCOS-167 , Report of the Fifth GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-5), De Bilt, Netherlands, 25 February - 1 March 2013: https://library.wmo.int/opac/index.php?lvl=notice_display&id=14893#.WiUpp3mDP1I GCOS-165 , GRUAN Implementation Plan 2013-2017. GCOS-165, June 2013: https://library.wmo.int/opac/doc_num.php?explnum_id=4016 GCOS-161 , Report of the Fourth GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-4), Tateno, Japan, 5-9 March 2012: https://library.wmo.int/opac/doc_num.php?explnum_id=3872 GCOS-149 , Report of the Third GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-3), Queenstown, New Zealand, 28 February-4 March 2011: https://library.wmo.int/opac/doc_num.php?explnum_id=3863 GCOS-140 , Report of the Second GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-2), Payerne, Switzerland, 2-4 March 2010: http://library.wmo.int/pmb_ged/wmo-td_1526-gcos.pdf GCOS-138 , Implementation plan for the global observing system for climate In support of the UNFCCC (2010 update), August 2010, https://library.wmo.int/opac/doc_num.php?explnum_id=3851 GCOS-134 , GRUAN Implementation Plan 2009-2013, July 2009: https://library.wmo.int/opac/doc_num.php?explnum_id=3847 GCOS-131 , Report of the First GCOS Reference Upper Air Network Implementation and Coordination Meeting (GRUAN ICM-1), Norman, Oklahoma, USA, 2-4 March 2009: https://library.wmo.int/opac/doc_num.php?explnum_id=3844 GCOS-121 , Report of the GCOS Reference Upper-Air Network Implementation Meeting, Lindenberg, Germany, 26-28 February 2008: https://library.wmo.int/opac/doc_num.php?explnum_id=3831 GCOS-112 , GCOS Reference Upper-Air Network (GRUAN): Justification, requirements, siting and instrumentation options - April 2007: https://library.wmo.int/opac/doc_num.php?explnum_id=3821 WMO/ TD - No. 1580: Instruments and Observing Methods Report No. 107; J. Nash, T. Oakley, H. Vömel, LI Wei; WMO Intercomparison of High Quality Radiosonde Systems, Yangjiang/ China, 12 July - 03 August 2010back-to-top