Russian satellites have been linked to a series of brief, high-powered GPS interference events detected across Europe, according to a recent investigation. The interference, lasting less than 10 seconds at a time, was simultaneously detected by ground stations spanning from Norway to Spain, Poland, and even reaching Greenland and Canada. The findings raise questions about whether the disruptions are intentional and if Russia could weaponize such technology for broader, continental-scale GPS jamming in the future.
Pattern of Interruption
The discovery stems from an analysis conducted by researchers at The University of Texas at Austin and Stanford University, who examined public data from ground-based stations equipped with global navigation satellite system (GNSS) receivers. Between January 2019 and April 2026, they identified 75 days with widespread GNSS interference overlapping the GPS L1 frequency band, which is critical for signal transmission by U.S.-made GPS satellites and other international GNSS constellations.
This represents a rare instance of human-made GPS interference originating from space, complicating efforts to mitigate its impact on critical infrastructure.
The interference events, though brief, could pose significant risks to navigation systems, aviation, and other sectors reliant on GPS technology. While the intent behind the disruptions remains unclear, the findings underscore the growing vulnerabilities of U.S. and allied satellite infrastructure to adversarial space-based technologies.