ESA Archives - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

January 18, 2024

ESA: LEO PNT A Game Changer

Speaking at the 2024 ESA Director General’s Annual Press Briefing in Paris, the agency’s Director of Navigation Javier Benedicto provided an update on ESA satellite navigation activities. About the LEO PNT (Low Earth Orbit, Positioning, Navigation and Timing) program, he said, “We have completed the procurement process for this, one of our flagship programs, approved by the [ESA] ministerial conference in November 2022.

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By Peter Gutierrez
December 26, 2023

Exploring Lunar Navigation 

As international space agencies work to develop lunar PNT capabilities, exploration efforts have become more diverse and collaborative than ever before. The Moon is now an international exploration priority, with GNSS critical to lunar PNT development.

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By Renee Knight
October 3, 2023

GNSS-Based Weather Forecasting with CAMALIOT

A European Space Agency (ESA)-backed initiative is using high-quality satellite navigation data to improve the precision of weather forecasting. The data is provided by voluntary users of the CAMALIOT app on Android smartphones. As of this writing, almost 13,000 users have uploaded more than 260 billion measurements, amassing a vast dataset covering the entire globe.

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By Peter Gutierrez
June 29, 2023

ESA LEO PNT Program Getting Underway

The European Space Agency (ESA) low Earth orbit (LEO)-PNT satellite program, approved at last year’s (2022) ESA ministerial conference, will soon begin testing a mini-constellation of at least ten satellites, placed in orbit some hundreds of kilometers above the Earth’s surface. Conventional GNSS systems, like those used by Europe’s Galileo program, utilize medium Earth orbit (MEO) satellites, about 23,000 kilometers from Earth.

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By Peter Gutierrez
June 14, 2023

NAVISP AlnGNSS Project Tests AI-Enabled PNT Driving Algorithms

GMV NSL Ltd and Thales Alenia Space have presented the results of the NAVISP EL1 034 project, ‘AI-Enabled Baseband Algorithms For High-Fidelity Measurements’ (AlnGNSS). Using selected AI-enabled algorithms, the project demonstrated some significant improvements in PVT performance compared to conventional GNSS PVT methods. However, the overall impact of AI was not substantial.

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By Peter Gutierrez
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