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Communication Dans Un Congrès Année : 2021

A prototype for a Multi-GNSS orbit combination

Résumé

Since 1994, the International GNSS Service (IGS) provides a combination of orbit and clock offset products from its different Analysis Centers. These products are used as input by many software for countless scientific and/or operational applications. They can also be used as independent reference for benchmark experiments. Nevertheless, those products include GPS/GLONASS-only data, despite the fact that nowadays several GNSS constellations are available. We performed modifications on the existing IGS combination software and made it compatible with multi-GNSS products. We present here the results of a combination of five Multi-GNSS Experiment Analysis Centers (ACs) for five constellations (GPS + GLONASS + Galileo + Beidou + QZSS) from GPS week 1800 to 2000 (July 2014 to May 2018). The RMS of combined orbit w.r.t. input ACs ones are ∼ 30 ±15 mm for recent weeks of the test period.
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Dates et versions

hal-03954085 , version 1 (24-01-2023)

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Pierre Sakic, Gustavo Mansur, Benjamin Männel. A prototype for a Multi-GNSS orbit combination. 2020 European Navigation Conference (ENC), Deutsche Gesellschaft für Ortung und Navigation (DGON) -German Institute of Navigation-; European Group of Institutes of Navigation (EUGIN), Nov 2020, Dresden, Germany. pp.1-11, ⟨10.23919/ENC48637.2020.9317316⟩. ⟨hal-03954085⟩
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