The ALMA and NRAO Helpdesks are the primary points of contact for questions regarding the use of CASA or the pipeline for the reduction of your ALMA, VLA, or VLBA data.

Please submit a ticket to (ALMA) or (NRAO - VLA/VLBA) and staff will iterate with you to solve your issue.

Feeback and suggestions

We welcome feedback from our users, which you can send to Emails sent to will directly reach the CASA team, and we will take your suggestions into consideration. This email address is not intended for one-on-one interactions with staff, so for CASA-related questions, please use the Helpdesks.