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Galileo status: orbits, clocks, and positioning

Steigenberger, Peter and Montenbruck, Oliver (2017) Galileo status: orbits, clocks, and positioning. GPS Solutions, 21 (2), pp. 319-331. Springer. DOI: 10.1007/s10291-016-0566-5 ISSN 1080-5370

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Abstract

The European Global Navigation Satellite System Galileo is close to declaration of initial services. The current constellation comprises a total of 12 active satellites, four of them belonging to the first generation of In-Orbit Validation satellites, while the other eight are Full Operational Capability (FOC) satellites. Although the first pair of FOC satellites suffered from a launch anomaly resulting in an elliptical orbit, these satellites can be used for scientific applications without relevant limitations. The quality of broadcast orbits and clocks has significantly improved since the beginning of routine transmissions and has reached a signal-in-space range error of 30 cm. Precise orbit products generated by the scientific community achieve an accuracy of about 5 cm if appropriate models for the solar radiation pressure are applied. The latter is also important for an assessment of the clock stability as orbit errors are mapped to the apparent clock. Dual-frequency single point positioning with broadcast orbits and clocks of nine Galileo satellites that have so far been declared healthy already enables an accuracy at a few meters. Galileo-only precise point positioning approaches a precision of 2 cm in static mode using daily solutions.

Item URL in elib:https://elib.dlr.de/109874/
Document Type:Article
Title:Galileo status: orbits, clocks, and positioning
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Steigenberger, PeterDLR/GSOChttps://orcid.org/0000-0003-1905-6699
Montenbruck, OliverDLR/GSOChttps://orcid.org/0000-0003-4783-745X
Date:2017
Journal or Publication Title:GPS Solutions
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:21
DOI :10.1007/s10291-016-0566-5
Page Range:pp. 319-331
Publisher:Springer
ISSN:1080-5370
Status:Published
Keywords:GNSS; Galileo; Orbit modeling; Single point positioning; Precise point positioning
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Steigenberger, Peter
Deposited On:20 Dec 2016 11:13
Last Modified:10 Apr 2017 11:09

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