Community GSI Users Page

GSI Helpdesk

The GSI helpdesk is an email assistance service to provide user support. Questions regarding the GSI system should be directed to:

Please note the GSI helpdesk will only response to the questions from registered GSI users, based on the policy. To become a registered user, please go through the GSI system dowload page.


If you have a question regarding the GSI, please first check to see if your question is answered in the GSI documentation, the list of known issues, or the FAQs section.

If you would like to report a problem, you may send an email to, making use of the subject line to indicate the issue.

For compilation problems, run make VERBOSE=1 and send error information in the email.

For run-time problems, please include stdout file in the email.

For more help desk tips, you may visit help desk tips .


If significant help was provided via the GSI helpdesk for work resulting in a publication, please acknowledge the Developmental Testbed Center (DTC) Data Assimilation Team and/or please refer to the DTC GSI Community effort (Citation).