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Flight Characterization of New Generation GNSS Satellite Clocks

Montenbruck, Oliver and Steigenberger, Peter and Schoenemann, Eric and Hauschild, Andre and Hugentobler, Urs and Dach, Rolf and Becker, Matthias (2012) Flight Characterization of New Generation GNSS Satellite Clocks. Navigation, 59 (4), pp. 291-302. Wiley. ISSN 0028-1522

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Official URL: http://onlinelibrary.wiley.com/journal/10.1002/%28ISSN%292161-4296/issues

Abstract

The passive hydrogen maser of GIOVE-B and the new GPS Block IIF Rubidium clock have demonstrated a superior stability in ground tests. In practice, however, the apparent clock performance for GNSS users is limited by measurement errors and imperfections of the signal chain that affect the clock variance at different time scales. Within this paper, we provide a direct comparison of the apparent clock performance for GIOVE-B and the first Block IIF satellite (SVN62). Periodic errors in the apparent clocks of both satellites are analyzed and an effort is made to separate the impact of orbit determination errors from physical clock or line bias variations. For SVN62 an empirical clock correction model is discussed, which offers a notable reduction of the Allan variance at orbital time scales. Furthermore, triple-frequency observations are used to demonstrate the presence of thermally induced line bias variations and to quantify the resulting inter-frequency clock biases.

Item URL in elib:https://elib.dlr.de/80279/
Document Type:Article
Title:Flight Characterization of New Generation GNSS Satellite Clocks
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Montenbruck, OliverDLRUNSPECIFIED
Steigenberger, PeterTUMUNSPECIFIED
Schoenemann, EricTU DarmstadtUNSPECIFIED
Hauschild, AndreDLRUNSPECIFIED
Hugentobler, UrsTUMUNSPECIFIED
Dach, RolfAIUBUNSPECIFIED
Becker, MatthiasTU DramstadtUNSPECIFIED
Date:December 2012
Journal or Publication Title:Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:59
Page Range:pp. 291-302
Publisher:Wiley
ISSN:0028-1522
Status:Published
Keywords:Atomic Freqeuncy Standard, Rubidum, H-Maser, Allan Deviation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:07 Jan 2013 09:22
Last Modified:06 Sep 2019 15:28

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