On Friday and Saturday, 8th & 9th of November 2024 respectively, Vessels navigating in Yellow Sea and Civilian Aircraft experienced GPS outages based on South Korea's Joint Chiefs of Staff announcement last Saturday, as it was published by The Guardian. Estimated sources of…
Since April, Finland has experienced disruptions to GPS signals in the Baltic Sea. Recently, the country's coast guard observed that oil tankers were manipulating their location data to conceal trips to Russia, leading to potentially dangerous situations. More information can be found in…
In order to understand when GNSS signals are not trustworthy and be able to take action by activating backup systems and/or emergency procedures, it is important to be aware whether there is active (in or unintentional) interference. This can be achieved by actively…
Spoofing is a technique to copy and manipulate GPS signals, which ultimately leads to faulty location estimation by the receiver. In contrast to jamming which is the complete blockage of GPS signals and can be found often over combat zones, meaning no position…
In the start of May 2024, Finnair announced the temporary suspension of flights to Tartu, Estonia for a period of one month due to GNSS Jamming incidents as stated in a previous article from GPS World magazine. Adhered to the schedule, Estonian Air…
On the 6th of November, one month after the start of the Israel-Hamas conflict, we published an article where we investigated the perceived increased in GNSS jamming in the region. Now, 6 months into the conflict and 2 ½ years into the full-scale…
As part of improving the resilience of the Open Service Galileo signals, “Open Service Navigation Message Authentication” or OSNMA is being developed to provide users with an authentication on the navigation data they receive. OSNMA has been in a public testing phase since…
Since the escalation of the Israel-Hamas conflict, reports on GNSS jamming events have significantly picked up in the Middle-East, impacting airlines in the region. Satellite navigation provides our society with a precise position and a precise time. This is useful for many civilian…
With the Ariane 5 retired, the development of the Ariane 6 delayed, and the Soyuz usage revoked, the European Space Agency (ESA) looks to SpaceX to launch its last batch of Galileo satellites. For the past 25 years, ESA has relied on the…
