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.
|Title:||3-dimensional ionospheric electron density reconstruction based on GPS measurements|
|Journal or Publication Title:||Advances in Space Research|
|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|
|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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