GNSS Interference Report
Issued: 5 months ago
Date Reference Region Category Aggressors Source
7 Apr 2024 - 09:12 CW GNSS 178 Indian Ocean GNSS Interference NAVCEN
USER: MV APL EAGLE, 170.0M Geared Containership, 1700 TEU, experienced GPS position anomaly indicative of GPS Spoofing today 12th APRIL 2024, 1200LT (ZD-3)/0900UTC. Sea area: Persian Gulf. 0912Z Position: Latitude: 26-19.9N Long. 051-39.3E Noted similar errors to the previously reported incident 9th November 2023. Presented on ECDIS screen as erratic track. Noted Position errors of more than 0.5nm on ECDIS history track. Suspected interference with Differential signal. Both GPS units appear to be functioning normally, and errors cleared after a few minutes. NAVCEN: The GPS Operations Center reviewed the GPS Constellation and Control Segment, there are no known anomalies that might affect GPS signal integrity at the time and vicinity of the reported problem. Space weather was reviewed and found unlikely to have impacted GPS performance. There were no authorized GPS tests in the area. No correlating reports from inter-agency partners. No additional information.
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