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MGEX: status update on the Multi-GNSS Pilot Project of the International GNSS Service

Steigenberger, Peter and Montenbruck, Oliver (2018) MGEX: status update on the Multi-GNSS Pilot Project of the International GNSS Service. 42nd COSPAR Scientific Assembly 2018, 14.-22. Jul. 2018, Pasadena, USA.

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Abstract

The major task of the Multi-GNSS Pilot Project (MGEX) of the International GNSS Service (IGS) is tracking, collating and analyzing all available GNSS signals. The final goal is the integration of the evolving global and regional satellite navigation systems Galileo, BeiDou, QZSS, and NavIC (IRNSS) into the IGS operational products. The backbone for these activities is a network of multi-GNSS tracking stations available at the IGS data centers. Currently six MGEX analysis centers generate precise multi-GNSS orbit and clock products on an operational basis. Further products include merged navigation data, a dedicated CNAV product for GPS and QZSS, as well as two multi-GNSS differential code bias (DCB) products. This contribution presents the current status of the multi-GNSS tracking network and the MGEX analysis products. Progress in solar radition pressure modeling is demonstrated and evaluated by satellite laser ranging residuals and orbit comparisons. The GNSS providers of Galileo and QZSS have recently published metadata like antenna offsets, spacecraft mass, and transmit power. The impact of these data on the analysis products will be demonstrated. Furthermore, clock analysis of new satellites not covered by the current MGEX products will be presented, namely for the BeiDou-3 and QZSS geostationary satellites.

Item URL in elib:https://elib.dlr.de/124392/
Document Type:Conference or Workshop Item (Speech)
Title:MGEX: status update on the Multi-GNSS Pilot Project of the International GNSS Service
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:July 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:MGEX; GNSS
Event Title:42nd COSPAR Scientific Assembly 2018
Event Location:Pasadena, USA
Event Type:international Conference
Event Dates:14.-22. Jul. 2018
Organizer:COSPAR
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 Flight Technology
Space Operations and Astronaut Training
Deposited By: Steigenberger, Peter
Deposited On:11 Dec 2018 15:46
Last Modified:11 Dec 2018 15:46

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