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BackGPS on NATO's eastern flank was almost severely interfered with, suspected Russian electronic warfare became the focus
GPS on NATO's eastern flank was almost severely interfered with, suspected Russian electronic warfare became the focus
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自由时报7 minutes agoDefense3 min readChinaView original

GPS on NATO's eastern flank was almost severely interfered with, suspected Russian electronic warfare became the focus

The Italian military flight tracking program found that the interference range on November 3 extended from the southern Baltic Sea to the western Black Sea, and electronic warfare activities were frequent in Eastern Europe.

NATOGPS interferencesatellite navigation

Quick Look

  • Large-scale satellite navigation interference has recently occurred on NATO's eastern flank, covering the southern Baltic Sea, Lithuania, eastern Poland, Romania, Bulgaria and the western Black Sea.
  • Data from Italy's ItaMilRadar and AirNav Radar show that the interference zone highly overlaps with areas where Russian attack drones cross the border.
  • However, no country has confirmed the source of the interference.

AI-generated summary

Why It Matters

During the Ukraine-Russia War, electronic warfare activities were frequent in Eastern Europe. Russia was considered an important source of GPS interference in the Baltic Sea region in the past. Sweden and five other neighboring countries reported to the International Civil Aviation Organization that in the first four months of 2025, approximately 123,000 flights over Poland, the Baltic States, Finland and Sweden were affected by satellite navigation interference.

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Large-scale satellite navigation interference has recently occurred on NATO's eastern border, covering almost the entire NATO eastern flank defense line. The latest aircraft data map released by the Italian military flight tracking program "ItaMilRadar" shows that on November 3, it extended from the southern Baltic Sea, Lithuania, and eastern Poland to Romania, Bulgaria, and the western Black Sea, forming an almost continuous GPS interference belt, highlighting the increasingly frequent electronic warfare activities in Eastern Europe during the Ukraine-Russia war.

The latest aircraft data map released by "ItaMilRadar" shows that on November 3, an almost continuous GPS interference belt was formed extending from the southern Baltic Sea, Lithuania, and eastern Poland to Romania, Bulgaria, and the western Black Sea. (Picture taken from X@ItaMilRadar)

The military news website "Defence Blog" reported that ItaMilRadar pointed out on X on the 4th that the distribution of interference this time was quite special. Almost the entire eastern flank of NATO was subject to strong and highly concentrated satellite navigation interference. According to AirNav Radar aircraft data, the areas with the highest density of signal anomalies include areas around the Russian exclave of Kaliningrad, Poland's borders with Belarus and Ukraine, Romania, Moldova, and the Black Sea coast of Bulgaria.

In addition, navigation signal anomalies of varying degrees also occurred in parts of the airspace of Belarus, western Russia, Crimea and the Caucasus. However, this type of aviation tracking data can only show the location where the aircraft was interfered with, and cannot directly determine the source of the interference. Currently, no country has confirmed who initiated this wave of electronic interference.

The report analyzed that the jamming zone highly overlaps with the border area that Russia crossed when its drones attacked Ukraine. Some of the signal anomalies may come from anti-drone jamming systems deployed by NATO countries, which can cause drones that rely on satellite navigation to deviate from their routes. Therefore, the sources of interference may not necessarily all come from Russia, and may also involve the defense measures of European countries, but the relevant speculation has not yet been officially confirmed.

It is worth noting that Russia has been considered an important source of GPS interference in the Baltic Sea region in the past. "Defense News" reported that the research team used monitoring stations around the Gdansk Bay in Poland to locate two sources of jamming and spoofing signals along the Kaliningrad coast. Russian military electronic warfare units were located nearby. Another jamming hotspot was also found around St. Petersburg.

According to "GPS World", Sweden and five other neighboring countries have notified the International Civil Aviation Organization that in the first four months of 2025, approximately 123,000 flights over Poland, the Baltic States, Finland and Sweden were affected by satellite navigation interference, and the source of the relevant signals was traced to Kaliningrad, St. Petersburg and other Russian regions.

As Russian drones have repeatedly crossed NATO borders, and countries continue to strengthen their anti-drone electronic warfare capabilities, the problem of satellite navigation interference in Eastern European airspace may become more complicated, drawing attention to the conflict between civil aviation flight safety and military electronic warfare.

What to Watch

AI outlook — possibilities, not facts

  • Satellite navigation interference problems in Eastern European airspace will become more complex

    Likely · Within weeks

Open Questions

  • Who is the specific initiator of this wave of GPS interference?
  • Is the interference coming entirely from Russia, or partly from NATO national counter-drone systems?
  • The specific impact of interference on civil aviation flight safety
  • What measures will NATO countries take in response?

Related Topics

NATO
OrganizationsItaMilRadarDefense BlogAirNav Radar
Placessouthern baltic seaLithuaniaPolandRomania
TopicsGPS interferencesatellite navigationRussiaUkraineLithuaniaPoland
This article was originally published by 自由时报.

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