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- Log on to www.ecmwf.int. (If you do not have an account create one)
- Read the Licenceand accept the license at the bottom of the pagefrom the Atmosphere Data Store (ADS).
- Contact us by creating a ticket through the ECMWF Support Portal, providing
- the user name you used to log into www.ecmwf.int and accept the license
- for our service planning, a brief description of how you intend to use the data, and which chemical species are most relevant for you
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