TITLE: GCN CIRCULAR NUMBER: 28006 SUBJECT: IceCube-200620A: not observable by Fermi-GBM DATE: 20/06/21 19:29:15 GMT FROM: Cori Fletcher at USRA C. Fletcher (USRA) reports on behalf of the Fermi-GBM team: At the time of the neutrino candidate IceCube-200620A (GCN 27997), Fermi was passing through the South Atlantic Anomaly from 17.6 minutes prior until 4.1 minutes after the trigger time; therefore the GBM detectors were disabled.