Strong interference with satellite navigation signals has been recorded along almost the entire eastern flank of NATO, from the south of the Baltic Sea to the west of the Black Sea. Romania is among the affected countries, according to a map published by the Italian air traffic monitoring project ItaMilRadar. [1]
The map published by ItaMilRadar, based on data provided by the AirNav Radar platform, shows a nearly continuous area of jamming stretching through Lithuania, eastern Poland, Romania, and Bulgaria, reaching as far as the west of the Black Sea, according to Defense. [1]
The strongest interferences were reported near the Russian enclave of Kaliningrad, along the Baltic coast, along the borders of Poland with Belarus and Ukraine, above Romania and Moldova, as well as along the Bulgarian Black Sea coast. Disturbances of lower intensity were also observed along air routes in Belarus and western Russia, around Crimea, and in the Caucasus region. [1]
“The jamming map is particularly interesting. Essentially, the entire eastern flank of NATO is affected by strong interferences, geographically concentrated along the eastern border,” ItaMilRadar stated. [1]
The data used to create the map indicate areas where aircraft have reported degradation of GPS and other satellite navigation system signals. However, they do not allow for identifying the source of the interferences. No government has announced who was behind the disturbances recorded on November 3. [1]
The configuration of the affected areas suggests a possible link to the air war in Ukraine. The interference band overlaps with border regions traversed by Russian drones during attacks on Ukrainian territory. Some of the disturbances may originate from anti-drone jamming systems used by NATO states to divert satellite-guided drones before they enter their airspace. [1]
In border areas with Belarus and near the Kaliningrad enclave, signal blocking could come from either Russia or the European side. However, none of the involved governments have confirmed the use of jamming systems on such a large scale. [1]
Interferences in the Baltic region have previously been associated with Russian sources. A team of researchers using monitoring stations located around the Gulf of Gdansk in Poland identified two sources of jamming and signal spoofing in coastal zones of Kaliningrad, near known electronic warfare units. Another area with interferences was located near Saint Petersburg, according to the publication Defense News. [1]
The issue has also been raised at the international level. In early 2025, Sweden and five other neighboring countries informed the International Civil Aviation Organization that approximately 123,000 flights over Poland, the Baltic states, Finland, and Sweden were affected by interferences in the first four months of the year. According to the publication GPS World, the sources of the disturbances were located in Kaliningrad, Saint Petersburg, Smolensk, and Rostov. [1]
Incidents in which Russian drones approached or crossed NATO’s eastern border have repeated during attacks on Ukraine. In September 2026, a Russian drone penetrated deep into Romanian airspace before crashing in Moldova. [1]
Russia possesses a wide range of electronic warfare systems, including mobile equipment capable of jamming navigation signals. An Infauna-type electronic warfare vehicle was recently observed even in Mali, in Africa, according to Defence Blog. [1]
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