GNSS Interference Report
Issued: 8 months, 3 weeks ago
Date | Reference | Region | Category | Aggressors | Source |
8 Feb 2024 - 18:28 | CW GNSS 174 | Southeast Asia | GNSS Interference | NAVCEN | |
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USER: 1. Vessel’s Name: Lucina Providence 2. Type of Incident: GPS Signal interference 3. Date and Time of Incident: 23 Feb 2024/ 1028LT ( 23 Feb 2024/ 0228 UTC) 4. Ship’s Position: 07°32.5’N; 108°13.1’E 5. Status: Underway, full speed at sea. 6. Brief Description of the Incident: Interference with GPS Signal of all Vessel’s in the vicinity for approx. 38 Min 7. Others: a) GPS signal interference to both DGPS receiver and independent AIS. b) All Vessel’s in the Vicinity ( 15NM radius approx.) had interference. c) 1106LT, signal regained. HDOP within limits. GPS signal satisfactory. Matter resolved. d) During this incident vessel is in south China sea and there were three unidentified vessels can’t be seen on AIS. 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. |