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Conference Paper

A prototype for a Multi-GNSS orbit combination

Authors
/persons/resource/psakicki

Sakic,  P.
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/mansur

Mansur,  Gustavo Bento
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/maennelb

Männel,  B.
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Sakic, P., Mansur, G. B., Männel, B. (2020): A prototype for a Multi-GNSS orbit combination - Proceedings, European Navigation Conference (Online 2020).


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5004465
Abstract
Since 1994, the International GNSS Service (IGS) provides a combination oforbit and clock offset products from its different Analysis Centers. These products areused as input by many software for countless scientific and/or operational applications.They can also be used as independent reference for benchmark experiments. Neverthe-less, those products include GPS/GLONASS-only data, despite the fact that nowadaysseveral GNSS constellations are available. We performed modifications on the existingIGS combination software and made it compatible with multi-GNSS products. We presenthere the results of a combination of five Multi-GNSS Experiment Analysis Centers (ACs)for five constellations (GPS + GLONASS + Galileo + Beidou + QZSS) from GPS week1800 to 2000 (July 2014 to May 2018). The RMS of combined orbit w.r.t. input ACs onesare∼30±15 mm for recent weeks of the test period.