![]() ![]() User was sent data mapping information and requested additional information with no response. No correlating reports from inter-agency partners or users. NAVCEN: There were no authorized GPS tests in the area. ![]() GPS is working, but not locking in on SAT's. User: This issue is happening across several vehicles where the GPS has stopped. Our GPS RAIM system has dual Trimble dome antennas mounted on the roof of our Brisbane ATS Centre facility with redundant paths and CTI SV12 receivers and servers rack-mounted within our Main Equipment Room. Some moderate rain cloud cover/overcast on the following day before it resolved itself. ![]() Weather conditions were fine most of the time. User: Outage appeared to have started on 0030UTC and resolved around 2330UTC. My phone does try and locate GPS alot in that area and once every few minutes it will correct itself and then go right back to being off track. My GPS works fine everywhere else I have been and is off the same every time I go there. User: In the area of Norfolk Nebraska the GPS for the last week or so has my position south and west of my actual location and it is impossible to navigate in the city at all. User: The location in Google maps and other apps moves around even though I am not moving. User: Gps position has been consistently ~300m south of actual position for the past few days. 160km from the sea, which seems to be the source of masking/interference or whatever is happening. USER: We have often GPS outages, almost every night in this city, on all cell sites in this city, but tonight the outage/interference is reaching as far as 45.452324 28.034280, aprox. Please let me know what this may be, because the gps on my computer holds true and doesn't wander using a ublox gps on windows10. It jumps across the street in the backyard of a house a few houses down, and jumps back and forth doing this strange routine without ever fully zeroing out after gaining satellite signal from over 3 satellites. It shows my pin in my neighbors house, and proceeds to jump to other neighbors houses in a clockwise like fashion. USER: Google pin wanders off beyond GPS margin of error, and snaps to exact wrong locations. USER: The tracking system on my boat sent an alert at 1:55 AM EDT (5:55 UTC) that showed a movement of approximately 130m for about 10 minutes before returning to the original location. No correlating reports from inter-agency partners. There were no authorized GPS tests in the area. Space weather was reviewed and found unlikely to have impacted GPS performance. ![]() 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. The issue has been consistent for more than 30 minutes for each device. USER: On three separate devices, GPS was either “not available” or showing a drastically incorrect location on the map. User encouraged to report the issue to the nearest communication authority. The Disruption occurred 4 times with interval of 3 to 5 minutes. USER: GPS Disruption Commenced at 1555 LT (1255 UTC) in Position 14-05.7 N 042-14.4 E, Vessel was heading on a True Course of 151 Degrees and Speed 12.7 kts. ![]()
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