GNSS Interference Report
Issued: 3 months, 4 weeks ago
| Date | Reference | Region | Category | Aggressors | Source |
| 30 Nov 2022 - 03:12 | CW GNSS 158 | Indian Ocean | GNSS Interference | NAVCEN | |
|---|---|---|---|---|---|
| USER: The GPS signal lost occurred on November 30th, 2022 between 0212 UTC and 0324 UTC while the vessel was on approach to the Strait of Hormuz, within the Persian Gulf waters (the vessel's position: 26 17N / 055 56E to position: 26 29N / 056 15E). The similar issues with the GPS disruption were being reported by other merchant vessels in the vicinity of the position. 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. The report of interference is similar to that outlined by U.S. Maritime Administration in Maritime Advisory 2022-005-Various GPS Interference and AIS spoofing. User encouraged to report the issue to the nearest communication authority. | |||||