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GPS based three-dimensional ionospheric monitoring: procedure and asessment

Stolle, C. and Schlüter, S. and Heise, S. and Jacobi, Ch. and Jakowski, N. and Raabe, A. (2004) GPS based three-dimensional ionospheric monitoring: procedure and asessment. In: Proceedings 35th COSPAR 2004, COSPAR04-A-00380. 35th COSPAR Scientific Assembly, Paris, France, 18 - 25 July 2004, Paris, France.

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Integrated TEC measurements derived from ground- and space-based GPS observations are used to image the ionospheric electron density distribution through threedimensional tomographic reconstruction. Here, the reconstruction procedure is presented, that has been applied for ionospheric mapping especially during perturbed geomagnetic conditions. The monitoring technique including tomographic algorithm and external constraints is described and discussed in detail. The procedure is based on an iterative MART algorithm and is initialised by a combined IRI/GCPM model. Input data are GPS TEC measured from ground-based networks as well as from the scientific Low Earth Orbiting (LEO) satellite CHAMP. The problem of spaceborne GPS instrumental biases is addressed, and the approach applied for bias estimation by using calibrated zenith antenna TEC data is presented. Statistical validations of tomographic results with independent data are shown.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=C0.2-0032-04,
Title:GPS based three-dimensional ionospheric monitoring: procedure and asessment
AuthorsInstitution or Email of Authors
Stolle, C.Universität Leipzig
Heise, S.GeoForschungsZentrum Potsdam
Jacobi, Ch.Universität Leipzig
Raabe, A.Universität Leipzig
Journal or Publication Title:Proceedings 35th COSPAR 2004
Refereed publication:Yes
In ISI Web of Science:No
Keywords:GPS, Ionosphere, Monitoring
Event Title:35th COSPAR Scientific Assembly, Paris, France, 18 - 25 July 2004
Event Location:Paris, France
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 21:38

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