The GBT will be available for an observing week from August 23rd, 17:30 ET until September 3rd, 7:00 am ET.
If you are an observer with an active GBT project, please make sure that your sessions are enabled and your blackout dates are up-to-date. You can check the observing schedule here: https://dss.gb.nrao.edu/schedule/public.
If you have any questions, please contact your project friend.