FRM4DOAS total O3 column and tropospheric NO2 profile data products (GEOMS HDF4 format) are publicly available on the NDACC/RD repository, with mirroring on the ESA EVDC database. The list of stations and corresponding products is presented in the table below (September 2021 update):

stations products table

Please have a look at the 'DATA_RULES_OF_USE' and 'FILE_DOI' metadata fields in the GEOMS HDF4 files before any use of the data. For further information on the data, the instrument PI and/or the data originator (DO) should be contacted directly (see contact details in the corresponding file metadata fields).

 

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