The European Galileo satellite network successfully verified its position against fraud in the global navigation system during an important test. This test is recognized as the first instance of confirming civilian navigation positioning through navigation and ranging information in the world, specifically addressing challenges related to interference in marine navigation.
Details of the Test and Its Achievements
In this test, five active Galileo satellites transmitted encrypted signals across Europe for two hours on Wednesday. Receivers in Andøya, Norway, and the ESTEC center of the European Space Agency in the Netherlands successfully established verified positions. This test was conducted as part of the annual Jammertest exercise, where satellite navigation equipment is intentionally subjected to interference and fraud.
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Combating Fraud and Interference
During this test, conventional receivers were successfully deceived during fraudulent attacks and reported incorrect positions. Meanwhile, a Galileo receiver using the new Signal Authentication Service (SAS) was able to identify the interference and maintain its true position. This system includes SAS and the public Galileo navigation message authentication technology, which confirms that the navigation data genuinely comes from Galileo.
The goal of this new technology is to allow receivers to identify and reject fake satellite signals. This achievement represents a significant advancement in marine navigation safety and the reduction of risks associated with navigation fraud.
The Future of Galileo and Development Plans
Further tests and necessary validations are planned so that Galileo can announce the initial SAS service in 2027. This service is expected to be globally available and free of charge. Given the increasing problems caused by interference in navigation systems, this achievement could be seen as a suitable solution for ensuring safety in the world's busy waters.
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