Image: Shutterstock
What’s new: A report from GPSPATRON looking at GNSS interference in the Baltic originating in Kaliningrad.
Why it’s important: Some very interesting findings including:
- This work builds on their earlier efforts with Gdynia Maritime University and included extensive measurements offshore.
- Maritime seems to be more impacted than coastal infrastructure. We speculate that is because much of the infrastructure is shielded by buildings and terrain.
New GNSS Interference Report Released: Shipborne Measurements Near the Kaliningrad Border
Introduction
This new study is a continuation of our earlier work, “Report on GNSS Interference in the Baltic Sea: Analysis Using a Terrestrial Monitoring System and Comparison with ADS-B Data.” In that previous six-month investigation, conducted from a fixed sensor installed at the Gdynia Maritime University campus, we documented persistent multi-constellation jamming, as well as indications of mobile maritime interference sources operating in the region.
In the present phase of research, we moved beyond land-based monitoring and installed our GP-Probe TGE2 interference sensor directly on board a research vessel. This ship operated throughout the southern Baltic Sea, including regular approaches toward the maritime boundary of the Kaliningrad region. By placing the sensor on a moving platform rather than a coastal location, we were able to record GNSS interference exactly as it affects real vessels—capturing signal conditions that cannot be observed from shore due to differences in radio horizon, antenna orientation, multipath environment, and proximity to potential interference sources.
