Mysterious GPS signal disruptions in the Baltic Sea – experts find source. Two sources in Russia have now been identified.
Similar disruptions have been occurring around Ukraine and on Russia's northwestern border for several months. Experts are convinced that this is a form of Russian electronic warfare. The disrupted signals cause remote-controlled drones to be misdirected. The disruption will probably have a more significant impact on ships. The risk of commercial aircraft being misdirected currently appears to be low. But ground-based radio beacons provide signal security.