In general, ATOA data files are restricted for 18 months from the observation date unless
the project under which the data were collected has its restriction period adjusted by application.
Most data is publicly available, but if you do try to reduce data still within the restricted
period you will be asked for identification.
To process restricted files you must enter the project code as the user name and the
If you are an investigator on a project, but do not have a password, you can apply for
one using this form.
If you have a password, but are having trouble accessing the data, please contact
If you choose data from multiple projects, one of which requires authorisation, you will
be asked to process each dataset separately.