The dataset is covering:

MARS

If you have access to ECMWF systems you can retrieve test data from MARS archive using keywords:

class=mc
expver=9701
stream=gfas
type=ga

FTP dissemination

The near real-time test data is available through ECPDS FTP dissemination systems in this directory:

/DATA/CAMS_GFAS_HOURLY/

You can use your normal FTP account to access the data.

If everything else fails ...

... you can always contact us by using this contact form putting "Request for CAMS global test dataset" as a subject and specify: