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Orbit and Clock Determination of QZS-1 Based on the CONGO Network

Steigenberger, Peter and Hauschild, André and Montenbruck, Oliver and Rodriguez-Solano, Carlos and Hugentobler, Urs (2013) Orbit and Clock Determination of QZS-1 Based on the CONGO Network. Navigation, Journal of the Institute of Navigation, 60 (1), pp. 31-40. Wiley. ISSN 0028-1522

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Abstract

QZS-1 is the first satellite of the Japanese Quasi-Zenith Satellite System (QZSS) launched in September 2010. Five stations of the Cooperative Network for GIOVE Observation (CONGO) are able to track the QZSS L1, L2, and L5 navigation signals. Together with the GPS observations of these stations, QZS-1 orbit and clock parameters were estimated. Various orbit parameterizations were tested and a sub-meter accuracy of the best orbits could be achieved. Differences of orbits obtained from various linear combinations are on the decimeter level and differential code biases are on the few nanosecond level. Short periodic variations with a peak-to-peak amplitude of about 4cm were detected in the QZS-1 clock estimates. Three time intervals with different periods of 13.6 – 15.5minutes could be identified. Three way carrier phase analysis confirmed the presence of these variations. The origin of these periodicities is considered to be an artifact of the time keeping system.

Item URL in elib:https://elib.dlr.de/82094/
Document Type:Article
Title:Orbit and Clock Determination of QZS-1 Based on the CONGO Network
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Steigenberger, PeterTUMUNSPECIFIED
Hauschild, AndréDLR/GSOCUNSPECIFIED
Montenbruck, OliverDLR/GSOCUNSPECIFIED
Rodriguez-Solano, CarlosTUMUNSPECIFIED
Hugentobler, UrsTUMUNSPECIFIED
Date:1 April 2013
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:60
Page Range:pp. 31-40
Publisher:Wiley
ISSN:0028-1522
Status:Published
Keywords:QZSS, CONGO, GNSS, Rubidium clock
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
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:26 Apr 2013 15:29
Last Modified:06 Sep 2019 15:23

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