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In-flight performance analysis of the CHAMP BlackJack GPS Receiver

Montenbruck, Oliver and Kroes, Remco (2003) In-flight performance analysis of the CHAMP BlackJack GPS Receiver. GPS Solutions, 7 (2), pp. 74-86. Springer Verlag. doi: 10.1007/s10291-003-0055-5.

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JPL's BlackJack receiver currently represents the most widely used geodetic grade GPS receiver for space applications. Using data from the CHAMP science mission, the in-flight performance of the BlackJack receiver has been assessed and the impact of various software updates performed during the 2.5 years since launch is described. Key aspects of the study comprise the channel allocation, anomalous data points, and the noise level of the code and carrier data. In addition, it has been demonstrated that the code measurements collected onboard the CHAMP satellite are notably affected by multipath errors in the aft-looking hemisphere, which can be attributed to cross-talk between the occultation antenna string and the primary precise orbit determination antenna. For carrier smoothed 10 s normal points, the code noise itself varies between a minimum of 5 cm at high elevations and 0.5 m (C/A) to 1.0 m (P1, P2) at 10° elevation. Carrier-phase data exhibit representative errors of 0.2 to 2.5 mm. The results of the CHAMP GPS data analysis contribute to a better understanding and possible improvement of the BlackJack receiver and support the design of optimal data editing and weighting strategies in precise orbit determination applications.

Item URL in elib:https://elib.dlr.de/21406/
Document Type:Article
Title:In-flight performance analysis of the CHAMP BlackJack GPS Receiver
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:23 February 2003
Journal or Publication Title:GPS Solutions
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s10291-003-0055-5
Page Range:pp. 74-86
Publisher:Springer Verlag
Keywords:CHAMP, BlackJack, Multipath, Receiver noise
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W SY - Technik für Raumfahrtsysteme
DLR - Research area:Space
DLR - Program:W SY - Technik für Raumfahrtsysteme
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:16 Jan 2006
Last Modified:14 Jan 2010 20:45

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