01What happened

The story, straight

Pulsar-0, the first satellite in Xona Space Systems' planned 300-spacecraft navigation constellation, has mapped GPS signal tampering across Europe and the Middle East from orbit for the first time. The experimental satellite, operating at 310 miles altitude, revealed jamming at a scale that surprised the California-based company's team. The data shows that satellites far from Earth also experience degradation of positioning, navigation and timing (PNT) signals, affecting performance and operational safety.

Pulsar-0, the first satellite in Xona Space Systems' low-earth-orbit constellation, just mapped GPS jamming across Europe and the Middle East from space — first time anyone's done this. The scale caught the team off guard. Turns out satellites orbiting way up there aren't immune to positioning signal degradation either, which has real implications for safety.

02Spread timeline

Where it actually started

Jun 20, 2026Origin
Pulsar-0 satellite data on GPS jamming scale published, revealing surprising extent of signal tampering across Europe and Middle East.pulsar-0 data drops showing GPS jamming is way bigger than expected
source

03Source receipts

Every claim, linked

04What's solid, what isn't

What's solid and what isn't

Confirmed
  • Pulsar-0 satellite has mapped GPS jamming across Europe and the Middle East from orbit for the first time.
  • The satellite orbits at 310 miles (500 km) altitude.
  • Xona Space Systems plans to deploy a 300-spacecraft constellation in low Earth orbit starting later this year.
  • The jamming scale surprised the project team.
Disputed
  • The specific geographic hotspots or intensity measurements of the jamming — the source does not provide granular data.
Developing
  • Xona's 300-satellite constellation deployment timeline and whether it will meaningfully address GPS vulnerability.

05Why it matters

The editorial take

GPS jamming has escalated from a niche security concern to a systemic infrastructure threat. This is the first time the full geographic scope has been measured from orbit rather than inferred from ground-level reports. Xona plans to deploy 300 satellites starting later this year to provide a more resilient alternative to GPS and Europe's Galileo — positioning the company as a critical player if jamming continues to worsen.

GPS jamming used to be something you'd hear about in military contexts. Now a satellite just proved it's a continent-scale infrastructure problem. Xona's 300-satellite constellation launching later this year is betting this gets worse before it gets better, and honestly the data backs that bet.