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ESA Navigation @navigation.esa.int · 08/10/2026

How do you turn satellite navigation into a story? In our interview with the director of “Finding Our Way: Inside the Galileo Project”, we asked this and more. 🔗 www.esa.int/Applications... 📅 Save the date: 15.10.2026 @esa.int @euspa.bsky.social @ec.europa.eu @designdatagmbh.bsky.social

A film poster for the documentary "Finding Our Way: Inside the Galileo Project", featuring a close-up image of an eye with the Galileo constellation orbiting Earth superimposed over the pupil.

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ESA Navigation @navigation.esa.int · 07/10/2026

💅Kinda chic to take part in Jammertest, the world's largest open-air satellite navigation interference campaign, to enhance Europe's resilience against jamming and spoofing.

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ESA Navigation @navigation.esa.int · 06/10/2026

🤝 Galileo starts with people. “Finding Our Way: Inside the Galileo Project” brings you into the teams who built Galileo, the system that guides us all. 📅 Save the date: 15.10.2026 🔗 youtu.be/G0aJU3BLbWw @esa.int @euspa.bsky.social @ec.europa.eu @designdatagmbh.bsky.social

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ESA Navigation @navigation.esa.int · 05/10/2026

30 years ago, Europe set out to build an independent global navigation system. “Finding Our Way: Inside the Galileo Project” goes behind the signal that guides us all. 📅Save the date: 15.10.2026 🔗 youtu.be/G0aJU3BLbWw @esa.int a.int @euspa.bsky.social @ec.europa.eu @designdatagmbh.bsky.social

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ESA Navigation @navigation.esa.int · 02/10/2026

🤔What is Jammertest? Every September, the airwaves of the Arctic island of Andøya become some of the most heavily attacked in the world. Norwegian authorities launch jamming and spoofing attacks for participants to test satellite navigation tech, identify weaknesses and develop stronger solutions.

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ESA Navigation @navigation.esa.int · 02/10/2026

⚠📶Jammertest pumped up the jam in Norway, and @esa.int was there. A regular Jammertest participant since 2023, ESA brought its largest testing portfolio yet to this year's event. Read more about it 👇 📸 Credit: JensenMedia AS

esa.int

Jammertest pumps up the jam in Norway

Every September, for one week, the airwaves above the Arctic island of Andøya, Norway, become some of the most heavily attacked in the world. For a good reason: Jammertest. From the small village of B...

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ESA Navigation @navigation.esa.int · 25/09/2026

The Galileo programme is managed by the European Commission under the EU Space programme, with ESA leading its design, development and qualification and @euspa.bsky.social as the system's service provider.

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ESA Navigation @navigation.esa.int · 25/09/2026

@esa.int and the @ec.europa.eu are joining forces with Museo Galileo on a new exhibition to explore the fascinating links between Galileo Galilei and the European satellite navigation system bearing his name. Read more about the exhibition, set to open in December 2027 👇

esa.int

ESA and the EU partner with Museo Galileo on new exhibition

The European Space Agency (ESA), Italy’s Museo Galileo - Institute and Museum of the History of Science, and the European Commission (EC) have partnered to uncover the surprising and far-reaching conn...

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ESA Navigation @navigation.esa.int · 18/09/2026

💪 Galileo, EGNOS, Celeste, and technologies developed through Horizon Europe and NAVISP are becoming more resilient every year, thanks in no small part to the unique testing environment that Jammertest provides. 📸: ESA/JensenMedia AS

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ESA Navigation @navigation.esa.int · 18/09/2026

Every year, Norwegian authorities create realistic jamming and spoofing scenarios that allow participants to test how their technology performs under pressure. Jammertest is an invaluable resource for the satellite navigation community, including the European Space Agency.

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ESA Navigation @navigation.esa.int · 18/09/2026

🗺️ 📍 We’ve come to trust maps without question. But maps can lie. Over the past week, we’ve watched ourselves disappear from the map, only to reappear out at sea. In reality, we never left Andøya, a Norwegian island that hosts the world's largest open campaign for GNSS resilience: Jammertest.

A photos showing fourteen smartphones arranged in two rows sitting next to a window that overlooks a grassy field dotted with satellite navigation equipment.

Close up photo of a person in a high visibility jacket pointing at a computer screen showing two different locations.

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ESA Navigation @navigation.esa.int · 17/09/2026

The upcoming service, in combination with the already available Open Service Navigation Message Authentication (OSNMA), will allow receivers to detect and reject a wide range of spoofing attacks. OSNMA and SAS will be free to access and available worldwide. Read more: lnkd.in/e9QBAfqJ

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ESA Navigation @navigation.esa.int · 17/09/2026

🆕 Galileo achieves first position fix using encrypted Signal Authentication Service (SAS) signals. At #Jammertest, test signals from five operational satellites enabled a receiver to establish its location under spoofing conditions, unlocking a new level of protection against interference.

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ESA Navigation @navigation.esa.int · 16/09/2026

To make sure we can trust the blue dot, ESA continuously works to strengthen the resilience of European navigation systems. And that is also why ESA is taking part in Jammertest, helping develop systems and technologies that are even more robust. 🔵 📸: ESA/JensenMedia AS

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ESA Navigation @navigation.esa.int · 16/09/2026

🔵 In a meaconing attack, instead of fake signals, real signals from a nearby location are rebroadcast. Again, there is a blue dot but not where it is supposed to be.

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ESA Navigation @navigation.esa.int · 16/09/2026

🔵 With spoofing, the blue dot is still there, but it is in the wrong place. False signals trick the receiver into calculating an incorrect location.

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ESA Navigation @navigation.esa.int · 16/09/2026

🔵 Jamming occurs when a powerful signal floods a receiver, drowning out the real satellite signal. The receiver can't calculate a position, so the blue dot turns grey and disappears.

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ESA Navigation @navigation.esa.int · 16/09/2026

Everyday, countless people rely on the little blue dot 🔵 in their navigation app to get them safely to their destination. But what happens when that dot disappears or leads us astray? Satellite navigation can be disrupted in several ways ⬇️

A close-up photo showing a person holding two smartphones, each displaying a different location to demonstrate what can happen when satellite navigation is interfered with.

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ESA Navigation @navigation.esa.int · 14/09/2026

ESA returns to #Jammertest each year with new technologies and system features to put to the test. The results gathered in Norway feed directly into the work that is carried year-round at the ESTEC navigation laboratory and beyond.

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ESA Navigation @navigation.esa.int · 14/09/2026

Over the coming days, Norwegian authorities will broadcast real satellite navigation interference for participants to learn how their equipment (on vehicles, drones, aircraft, helicopters and vessels) responds, and ultimately help develop more resilient navigation systems and technologies.

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ESA Navigation @navigation.esa.int · 14/09/2026

Greetings from the Arctic! After covering thousands of kilometres, @esa.int's team and its office on wheels have arrived in Andøya, Norway. This remote island is about to become one of the most heavily attacked GNSS environments in the world, but in a controlled way and for a good reason.

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Reposted by ESA Navigation

Josef Aschbacher @josefaschbacher.esa.int · 10/09/2026

Will we be passengers or pilots? Customers or service providers? Tenants or architects? At the International Space Summit, I argued that Europe must take steps now to shape its own future in space. Read my full speech 🧑‍🚀🚀 esamultimedia.esa.int/docs/corpora... #ParisSpaceSummit

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Josef Aschbacher @josefaschbacher.esa.int · 09/09/2026

Last night we brought together astronauts, ministers, industry leaders and space enthusiasts to celebrate the imagination, innovation and cooperation that define Europe's journey in space. From Earth orbit to deep space, we were reminded that today's ambitions become tomorrow's achievements.

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ESA Navigation @navigation.esa.int · 04/09/2026

⌛The countdown is on! ESA’s navigation lab on wheels is setting off for Andøya, Norway, home to the world’s largest satellite navigation resilience test where hundreds of interference scenarios challenge receivers tracking satellite navigation systems. Stay tuned for updates from the field!

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ESA Navigation @navigation.esa.int · 03/09/2026

🚗 NAVISP project are mapping urban GNSS performance and developing GNSS receivers to help tackle the challenges of navigating through urban jungles. 🔗 navisp.esa.int/project/043-... 🔗 navisp.esa.int/project/119-...

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ESA Navigation @navigation.esa.int · 03/09/2026

🛰️ By flying at a lower altitude, missions such as ESA's Celeste could improve the availability and accuracy of satellite navigation signals in urban canyons. 🔗 www.esa.int/Applications...

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Celeste

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ESA Navigation @navigation.esa.int · 03/09/2026

🏙️ It's World Skyscraper Day! Did you know that skyscrapers can affect your phone's positioning app? In cities, satellite navigation signals can bounce off tall buildings, leading to positioning errors. Fortunately, ESA is working to improve urban navigation. 📸 EUSPA

An illustration showing satellite navigation signals bouncing off of buildings in an urban area, demonstrating how buildings can cause positioning errors.

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ESA Navigation @navigation.esa.int · 28/08/2026

Find out more about how Odysseus could have benefitted from satellite navigation 🔗 www.esa.int/Applications...

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ESA Navigation @navigation.esa.int · 28/08/2026

🌊⛵ Odysseus is shipwrecked more than once on his journey home, left to the mercy of the sea (and Poseidon). With an emergency beacon, he could have tapped into Galileo’s Search and Rescue Service with Galileo satellites picking up his distress signal and relaying it to local rescue teams.

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ESA Navigation @navigation.esa.int · 28/08/2026

🕰️⛵ Odysseus spends a year on Circe’s island after freeing his crew from their transformation into pigs. Galileo’s precise timing, with atomic clocks accurate at nanosecond levels, could have helped him keep track of time. Galileo’s timing is so precise, it’s used as a standard for Europe’s time.

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ESA Navigation @navigation.esa.int · 28/08/2026

🧜‍♀️⛵ The Sirens attempt to steer Odysseus off course with their alluring call, similar to the way spoofed satellite navigation signals lead receivers astray. Galileo’s OSNMA helps mitigate the risk of spoofing by helping the receiver determine whether the signal truly came from the Galileo system.

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ESA Navigation @navigation.esa.int · 28/08/2026

⛵ 🛰️🏛️ What would have happened if Odysseus had Galileo when he set sail for Ithaca after the Trojan War? A ten-year journey completed in a matter of weeks…but then we wouldn't have The Odyssey. How does modern satellite navigation relate to Odysseus’s journey? Find out below⬇️

A comparison of two satellite images of Europe centred on the Mediterranean Sea showing two routes (one circuitous and one direct) with red dashed lines.

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ESA Navigation @navigation.esa.int · 28/08/2026

Find out more about how Odysseus could have benefitted from satellite navigation 🔗 www.esa.int/Applications...

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ESA Navigation @navigation.esa.int · 28/08/2026

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ESA Navigation @navigation.esa.int · 25/08/2026

🛰️ Satellite navigation is an invisible backbone for everyday life. It's also vulnerable to interference. ESA is working to ensure satellite navigation is resilient, in part by detecting interference. Here are three recent ways NAVISP supported interference detection 👉 www.esa.int/Applications...

A photo of a smartphone mounted inside a vehicle showing with the screen open to GNSSLogger showing satellite navigation signals being jammed.

A close-up photo of a smartphone in a person's hands, open to a map that is showing a spoofed location.

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ESA Navigation @navigation.esa.int · 24/08/2026

📷 1: ESA/CNES/Arianespace/Optique vidéo du CSG–X. Girard 📷 2: Rocket Lab 📷 3: ESA–L. Stanulova

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ESA Navigation @navigation.esa.int · 24/08/2026

A look back at some highlights from the past months 🎥 1️⃣ Galileo satellites arriving at the Ariane 6 launch pad, December 2025. 2️⃣ Integration of Celeste IOD satellites at Rocket Lab’s Māhia Launch Complex, March 2026. 3️⃣ESA Academy's Navigation Training Course in Redu, Belgium, June 2026.

Two photos showing a transport vehicle carrying a white rocket fairing towards the Ariane 6 launch facility in a green, grassy landscape, comparing the image in 35 mm and IMAX.

Two photographs showing team in cleanroom coats, hairnets, gloves, and shoe covers gathered around a satellite, comparing the image in 35 mm and IMAX.

Two photos of a group of students gathered around an antenna in Redu, Belgium comparing the image in 35 mm and IMAX.

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ESA Navigation @navigation.esa.int · 13/08/2026

🛰️ Satellite navigation on holidays: Picking up a souvenir? Banks use Galileo's nanosecond-level timing to authenticate transactions, allowing you to make purchases and withdraw money, even when on holiday. ℹ️ www.euspa.europa.eu/gnss-timing-...

Photo of a gold cylindrical atomic clock mounted on a platform in a laboratory, surrounded by rings of black, grey and white.

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ESA Connectivity and Secure Communications @esaconnectivity.esa.int · 08/08/2026

#OTD in 2000, the first telecoms 🌐, navigation🧭 and earth observation🌍️ satellite system was used in an emergency to help during the Thynne Mountain forest fire in British Columbia, Canada🍁 @navigation.esa.int @esaearth.esa.int

REMSAT backpack, enabling fire fighters to connect and navigate through satellites.

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ESA Navigation @navigation.esa.int · 07/08/2026

🛰 Satellite navigation on holidays: "How far are we from the museum?" As you plan your route this summer, Galileo is probably helping you get there. Billions of smartphone users worldwide rely on Galileo for positioning, navigation and timing. ℹ️ www.usegalileo.eu/accuracy-mat... 📷 Unsplash

A close-up photo of a phone showing a map of an Italian city with hands pointing to different points on the map.

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ESA Navigation @navigation.esa.int · 06/08/2026

🛰️ Satellite navigation on holidays: Enjoying a boat trip? Galileo is here to keep you safe at sea. It contributes to international search and rescue operations through the COSPAS-SARSAT system. ℹ️ www.esa.int/ESA_Multimed... 📷 ESA–I. Stojkovic

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ESA Navigation @navigation.esa.int · 05/08/2026

🛬 Satellite navigation on holidays: Flying somewhere for your summer holidays? Did you know that EGNOS helps guide safe aeroplane landings in over 500 airports and helipads across Europe? Find out more about EGNOS 🔗 egnos-user-support.essp-sas.eu 📷: GSA

Photo from below showing the underside of an aeroplane against a blue sky as it comes in for landing.

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ESA Navigation @navigation.esa.int · 24/07/2026

🛰️Two new Galileo satellites enter service Two new satellites, SAT 33 and SAT 34, have now officially joined Europe’s Galileo satellite navigation constellation, strengthening its capabilities, resilience and autonomy. www.esa.int/Applications...

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ESA Navigation @navigation.esa.int · 22/07/2026

The Earth emoji is doing its best 🌍 🛰️ But let's not forget the satellites orbiting overhead, powering positioning, navigation and timing, and so much more.

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ESA Navigation @navigation.esa.int · 10/07/2026

What has ESA been up to these past months? Propelling people around the Moon, making discoveries about comet 3I/ATLAS and sending a mission to the Sun. 📍 Closer to Earth, our Celeste satellites broadcast their first navigation signals in April. esamultimedia.esa.int/multimedia/p...

A round mission patch for ESA's Celeste mission, featuring an image of the Earth with the symbols for positioning, navigation and timing orbiting it.

A group photo of people smiling and showing thumbs-up as they stand in front of a computer screen with the first Celeste navigation signals displayed.

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ESA Navigation @navigation.esa.int · 08/07/2026

🛰️Revealing OpSTAR's patch! OpSTAR is our bright new demonstrator mission, aimed at showcasing how optical technologies can reshape the architecture of satellite navigation, enable greater accuracy and strengthen resilience. Can you spot all the hidden elements? www.esa.int/Applications...

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ESA Navigation @navigation.esa.int · 12/06/2026

🛰️ Galileo's second generation will feature intersatellite links, which will allow the satellites to ‘talk’ to one another in orbit. Read more about the test campaign to get the intersatellite links ready for life in space here: 🔗 @esa.int @euspa.bsky.social @ec.europa.eu

esa.int

Conversations in the sky: Galileo’s intersatellite links tested

The second generation of Galileo, Europe’s satellite navigation constellation, is being built. These satellites will feature reconfigurable payloads, provide more robust and reliable positioning, navi...

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