ESA · Space

Jammertest Enhances Navigation System Resilience

Norway's Jammertest exercise simulates jamming and spoofing attacks to improve satellite navigation technologies. The annual event allows participants to test systems against realistic threats.

Jammertest, held annually in Andøya, Norway, involves hundreds of jamming and spoofing attacks. Participants test technologies to develop more robust positioning, navigation, and timing (PNT) solutions against interference.

Interference types include jamming, which overwhelms receivers, and spoofing, which provides false locations. Meaconing rebroadcasts captured signals to a different location.

These attacks can cause navigation systems to fail, impacting everyday apps and critical services like aviation and power grids.

The European Space Agency (ESA) uses Jammertest to assess innovations in real-world conditions. This year, ESA tested encrypted signals and antennas for its navigation programs.

A key achievement was the first real-world positioning using Galileo's upcoming Signal Authentication Service (SAS), helping detect spoofing attacks.

ESA also tested signals from Celeste demonstration satellites and prototypes for EGNOS monitoring stations to enhance navigation resilience.

NAVISP program partners evaluated devices for precise timing and spoofing detection. Data analysis will continue to improve European satellite navigation systems.

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