TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2556 SUBJECT: IBAS GRB Alert 1694 DATE: 04/03/27 01:30:24 GMT FROM: Sandro Mereghetti at IASF/CNR S.Mereghetti on behalf of the IBAS localization team reports: IBAS Alert n. 1694 was not caused by a GRB or an SGR. It was due to a known source not recognized owing to an incorrect attitude information at the time of the trigger.