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Following approval of the plans for the Global Basic Observing Network (GBON) in October 2021, radiosonde data should be reported at high vertical resolution from January 2023 and details of the horizontal/time sampling required were set out. See https://public.wmo.int/en/events/constituent-bodies/cg-ext2021 and https://meetings.wmo.int/Cg-Ext-2021/SitePages/Session%20Information.aspx .
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