As of: February 2, 2024, 4:46 a.m
By: Daniel Geradtz
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Press
Split
GPS signal disruptions have been noticed more and more frequently in the Baltic Sea for several months.
Two sources in Russia have now been identified.
Moscow – The GPS system in some areas of the Baltic Sea has been disrupted for several months.
Welt
reports online, citing the Polish press agency PAP, that the Polish air traffic control authority has been detecting anomalies in the GPS signal since December 25 and has issued a corresponding notice to the authorities of other countries.
It is said that similar disruptions have been occurring around Ukraine and on Russia's northwestern border for several months.
Mysterious GPS interference in the Baltic Sea region - apparently the source is in Kaliningrad and St. Petersburg
Recently, two other countries, Finland and Sweden, have been affected by the disruptions in the Baltic Sea region.
A security researcher from Platform X (formerly Twitter), whose name Marcus Jonsson appears to be a pseudonym, has now posted that he has found the source of the disruption.
Accordingly, it is located in the Russian exclave of Kaliningrad.
For his evaluation, he analyzed the publicly available signals from civil aviation.
The so-called ADS-B signals provide, among other things, information about whether GPS reception is disturbed.
GPS signals are also currently being increasingly affected in Estonia.
According to Welt, the air traffic control authority there has identified St. Petersburg as the source.
Experts are convinced that this is a form of Russian electronic warfare.
Because the disrupted signals cause remote-controlled drones to be misdirected.
Russia recently increased its air strikes in the war against Ukraine.
Baltic Sea: GPS interference poses little danger to aircraft
This can also cause problems for the civilian population.
The risk of commercial aircraft being misdirected currently appears to be low.
They also use GPS.
But ground-based radio beacons provide signal security, particularly in the affected regions.
Nevertheless, the logistics service provider UPS warns its pilots that contradictory messages from the systems could affect situational awareness.
The disruption will probably have a more significant impact on ships.
The crews are used to relying completely on their systems.
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GPS, originally developed for military purposes, is now used not only for navigation, but also for many location-based applications in everyday life.
It is also an important timer.
The banking industry in particular uses the time transmitted via the signal to be able to clearly assign transactions and processes.
Mysterious GPS interference in the Baltic Sea region - apparently the source is in Kaliningrad and St. Petersburg © picture alliance/dpa/DFS Deutsche Flugsicherung GmbH
In a study, the Resilient Navigation and Timing Foundation warned of the serious consequences that interference with the GPS signal can have.
The foundation also warned that the signal could be manipulated too easily.