02/10/2026
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Each September, for one week, the airwaves above the Arctic island of Andøya, Norway, grow to be a number of the most closely attacked on the planet. For a great motive: Jammertest. From the small village of Bleik, 69 levels north, Norwegian authorities launch tons of of jamming and spoofing assaults, permitting members to check their applied sciences towards real looking threats, determine weaknesses in them and in the end develop stronger positioning, navigation and timing (PNT) options.
We’ve come to belief maps with out query. However maps can lie when unintended or deliberate interference prevents a receiver from choosing up dependable satellite tv for pc indicators.
There are a number of varieties of intentional interference:
- Jamming happens when a robust sign floods a receiver, drowning out the actual satellite tv for pc sign. The receiver can not calculate a place, so the blue dot on the map turns gray and disappears.
- With spoofing, the blue dot remains to be there, however it’s within the mistaken place. False indicators trick the receiver into calculating an incorrect location.
- In a meaconing assault, indicators from actual satellites are captured and rebroadcast to a close-by location. The time or place proven by the receiver are mistaken.
At Jammertest, easy receivers are continually fooled: the blue dot on a maps app out of the blue disappears, solely to materialise in the midst of a lake or out at sea. A sports activities app tracks countless circles at not possible strolling speeds. Sensible watches even seem to journey in time.
However satellite tv for pc navigation will not be solely about discovering your solution to the bus cease or monitoring your marathon coaching. The identical know-how underpins vital infrastructure and important companies for each civil and governmental customers, equivalent to aviation, monetary methods, energy grids and emergency help, the place shedding a dependable sign can have severe penalties far past a misplaced blue dot.
So members from establishments and trade take their modern applied sciences to Jammertest to search out out what works (and what does not) relating to defending receivers towards these assaults.
The European House Company (ESA) has been an everyday participant since 2023. Because the architect of Europe’s satellite tv for pc navigation methods, ESA constantly works on strengthening their resilience. “Jammertest has grow to be a basic complement to our testing actions at ESTEC and within the subject. It permits us to take a model of our lab on wheels and check improvements in a real-world surroundings, beneath situations which might be not possible to totally replicate in testing amenities,” explains Jörg Hahn, ESA’s Galileo Head of Engineering.
This yr, ESA had its largest testing portfolio but. From new encrypted indicators to stylish antennas, the crew was busy testing applied sciences for a variety of ESA navigation programmes.
Galileo achieved first civil authenticated place repair with Sign Authentication Service
For 2 hours on the afternoon of Wednesday 16 September, 5 operational Galileo satellites broadcasting over Europe transmitted a brand new encrypted sign for testing. On the bottom at Jammertest, receivers efficiently established their location utilizing these encrypted indicators, marking the primary real-world positioning utilizing Galileo’s upcoming Sign Authentication Service (SAS).
SAS, together with the already obtainable Open Service Navigation Message Authentication (OSNMA), will permit receivers to detect and reject a variety of spoofing assaults.
This achievement was attainable due to the shut cooperation between the companions within the Galileo programme: ESA, the European Fee and its Joint Analysis Centre, and the European Union Company for the House Programme. Learn extra about this milestone right here.
Receivers observe Celeste indicators
Again in April, engineers in ESA’s navigation lab captured the primary indicators from the 2 Celeste demonstration satellites. Since then, they’ve been testing all their capabilities, confirming the sturdy potential of satellites in low Earth orbit to assist resilient navigation options.
At Jammertest, each satellites flew over Andøya, offering a novel alternative to trace the indicators in real looking situations.
Celeste’s indicators have been loud and clear, with preliminary outcomes indicating that they have been acquired by receivers on floor, additionally beneath contested situations.
The information collected will probably be additional analysed at ESA ESTEC’s navigation laboratory.
Horizon Europe monitoring stations for EGNOS
The EGNOS crew additionally contributed tools for the ESA crew to check: two monitoring station prototypes designed to extend the system’s flexibility and robustness.
Developed beneath the Horizon Europe programme, the stations underwent their first subject checks finally yr’s Jammertest. Constructing on the teachings learnt, upgraded variations of the receivers have been again in Bleik this yr for additional testing.
The purpose is for these stations to grow to be operational for the subsequent era of EGNOS receivers and obtainable for security of life purposes.
NAVISP, driving innovation throughout the PNT ecosystem
Many NAVISP companions took half in Jammertest, with not less than three conducting checks linked to their NAVISP initiatives:
- NetInsight examined their model new Zyntai TimeNode Entry, a tool that distributes exact timing companies for 5G and media, but in addition for vital infrastructure customers.
- Dimetor collected info for his or her NAVSentry answer, which goals to make use of present telecommunications infrastructure to detect spoofing and jamming.
- Testnor, the organiser entity of Jammertest, recorded information for his or her playback service.
Different entities within the NAVISP ecosystem that have been current at Jammertest embody ANavS, the Finnish Geospatial Analysis Institute, Fugro Norway, Indra House, Kongsberg Discovery, Leonardo, NTNU, Oscilloquartz, Septentrio, House Norway, Syntony GNSS, Thales Alenia House Italia, u-blox and Xona House Programs UK.
Whereas the sector marketing campaign is completed, the work is way from over. ESA groups have dozens of terabytes of information to postprocess. Outcomes derived from this week’s testing will preserve feeding into the programmes all year long as classes learnt, to additional strengthen European satellite tv for pc navigation methods and applied sciences.