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3-dimensional ionospheric electron density reconstruction based on GPS measurements

Stolle, C. and Schlüter, S. and Jacobi, Ch. and Jakowski, N. (2003) 3-dimensional ionospheric electron density reconstruction based on GPS measurements. Advances in Space Research, 31 (8), pp. 1965-1970.

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When GPS navigation system radio waves pass trough the ionosphere and plasmasphere they are subject to delays in phase, travel time and polarisation, owing to the presence of free electrons. The integrated values of Total Electron Content can be used for 3-dimensional reconstruction of ionospheric electron density patterns. Here a tomographic approach is presented. Since the input data are sparsely distributed and patchy we chose an algebraic iterative algorithm. A plasma convection event has been taken as a tomographic case study. The addition of limb sounding GPS from Low Earth Orbiter satellites improves reconstructions of the vertical shape of the ionosphere by its horizontally viewing rays. A reconstruction including an occultation event is presented and the results are validated using an ionosonde profile.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2004,
Title:3-dimensional ionospheric electron density reconstruction based on GPS measurements
AuthorsInstitution or Email of Authors
Stolle, C.University of Leipzig, Germany
Jacobi, Ch.University of Leipzig, Germany
Journal or Publication Title:Advances in Space Research
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 1965-1970
Keywords:Electron density, GPS, Ionosphere
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
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 21:27

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