Event 410

{
  "category": "EW",
  "confidence": "Low",
  "confidence_rationale": "Multiple data visualizations and clear direct statements from the analyst support both the date and substance of the event.",
  "continuous_summary": "GPS Jamming",
  "countries": [
    "Russia",
    "Estonia",
    "Finland",
    "Latvia",
    "Lithuania",
    "Poland",
    "Sweden"
  ],
  "country": "Baltic Sea Region",
  "defense_prep": {},
  "description": "Kaliningrad and St Petersburg GNSS jammers, which have been active for months, were evidently shut down or dramatically reduced as of the early morning of June 9th. The post presents graphs and maps showing percentage of affected planes and the geographic spread of jamming and spoofing events across Europe, particularly in the Baltic region, confirming a sudden drop in interference after June 9th.",
  "event_time_utc": "2024-06-11T12:00:00Z",
  "evidence": [
    "Text and time series plots show a sudden, sharp drop in reported GNSS interference events after June 9th for Kaliningrad and St Petersburg.",
    "Maps illustrate a substantial reduction in affected flight paths over the Baltic region in the same period."
  ],
  "evidence_quotes": [
    "The Kaliningrad jammer is off and the St Petersburg jammer has been drastically tuned down. As of early morning June 9th.",
    "For months the former has been running nightly and the latter permanently.",
    "June 9th that changed.",
    "Another view. Smoothed means of percentage affected planes.",
    "A third view. Map of affected planes has - 6/9, but the 6/8,6/7 before those.",
    "Showing all ADSB messages that stated low nav quality: NIC < 6 AND NACp <6 and only airliners (not Az-65).",
    "The last 28 days stunning in Baltics is clear."
  ],
  "extra": {
    "category_raw": "Gps/Satnav Interference",
    "extra": {
      "extra": {
        "extra": {
          "evidence": [
            "Text and time series plots show a sudden, sharp drop in reported GNSS interference events after June 9th for Kaliningrad and St Petersburg.",
            "Maps illustrate a substantial reduction in affected flight paths over the Baltic region in the same period."
          ]
        }
      }
    }
  },
  "follow_up_by_country": [],
  "follow_up_notes": "??Kaliningrad and St. Petersburg jammers went offline 9 June; GPS quality improved",
  "headline": "Kaliningrad jammer is off and the St Petersburg jammer has been drastically tuned down as of early morning June 9th",
  "is_continuous": false,
  "location_text": "Kaliningrad, St Petersburg, Baltic region",
  "media_assets": [
    {
      "description": "Screenshot capture",
      "type": "screenshot",
      "url": "/media/event_410_1763926176_ba00f3f7.jpg"
    }
  ],
  "notes": "Improved nav quality over Baltics post-jammer pause",
  "schema_version": "v1",
  "screenshot_count": 1,
  "sources": [
    "https://threadreaderapp.com/thread/1800640556458008671.html"
  ],
  "summary_short": "Major Russian GNSS jammers switched off or reduced in the Baltic on June 9th after months of high disruption.",
  "url": "https://threadreaderapp.com/thread/1800640556458008671.html"
}

{
  "5th Column of Russians Inside (which countries)": "",
  "Attack Type": "GPS/Satnav Interference",
  "Borders Including Sea, Air,  Violation or Sabotage (which countries)": "",
  "Continuous? (e.g. Jammers)": "GPS Jamming",
  "Country (FI;EE;LV;LT;PL;BSR;Air)\nSeparated by Semicolon": "BSR",
  "Date": "11-Jun-24",
  "Defense Prep Event (FI-EE-LV-LT-PL)": "",
  "Defense Prep Event (FI-EE-LV-LT-PL) REF LINK": "",
  "Follow-Up Link?  (FI,EE,LV,LT,PL, BSR, Air)": "https://threadreaderapp.com/thread/1800640556458008671.html",
  "Follow-Up NOTES": "",
  "Follow-Up incl. Investigation, Prosecution?  (FI,EE,LV,LT,PL, BSR, Air)": "??Kaliningrad and St. Petersburg jammers went offline 9 June; GPS quality improved",
  "Latitude, Longitude (WGS84, Decimal Degrees)": "",
  "NOTES": "Improved nav quality over Baltics post-jammer pause",
  "Political Disruptions w/ Laws to Favor Kremlin (which countries)": "",
  "Russian-Belarus Terrorist Event (FI-EE-LV-LT-PL)": "",
  "Russian-Belarus Terrorist Event (FI-EE-LV-LT-PL) REF LINK": "",
  "Screen Snapshot": "",
  "Screen Snapshots": "",
  "Type Dropdown": "",
  "Where?\n(Air, Land, Sea)": ""
}