National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/cdr-spectral-solar-irradiance/catalog.html

Dataset Size Last Modified
     Folder  Spectral Solar Irradiance: File access   --
         Folder  ancillary-data/   --
         Folder  daily/   --
         Folder  monthly/   --
         Folder  yearly/   --

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