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Galileo

Are Elliptical Galileo Satellites Usable for RTK?

Galileo satellites 5 and 6 (E18, E14) were declared unusable in February 2021 after reports indicating repeatable daily problems with RTK. This article explores the possible impact of deviant elliptical orbits on the performance of RTK and finds that there is no reason to expect any anomalies caused by high orbit eccentricity per se. Thus there is no reason to declare the satellites unhealthy.

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By Inside GNSS
August 3, 2021

New Galileo G2 Payloads Hit the Testing Beds

Testing of the first Galileo Second Generation (G2) hardware has begun, with versions of the satellites’ navigation payloads and antennas undergoing evaluation to check whether they meet the ambitious performance levels set for the coming generation of Europe’s GNSS.

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By Inside GNSS

GNSS Interference Mitigation: Modulations, Measurements and Position Impact

Interference mitigation techniques should protect GNSS receivers from interference and jamming without biasing their final position, velocity and timing solution. This column analyses five popular interference mitigation techniques, including the Adaptive Notch Filter (ANF) and Pulse Blanking (PB), evaluating their impact on pseudoranges and on the final position and timing solution. Several GNSS modulations are considered, showing the advantage of using GNSS signals with similar spectral characteristics.

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By Inside GNSS
June 30, 2021

Galileo EU Defence (GEODE), The Biggest Galileo Application Ever Launched

Work on the Galileo EU Defence (GEODE) program began earlier this year when a consortium of 30 organizations from 14 European Union (EU) member states met to initiate “the biggest Galileo application development project ever launched” and “one of the most ambitious defense cooperation projects launched under the umbrella of the European Defence Industrial Development Programme (EDIDP),” according to consortium leader FDC.

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By Inside GNSS