IRI model application in low latitude ionospheric tomography

Details IRI model application in low latitude ionospheric tomography IRI model application in low latitude ionospheric tomography

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996adspr..18..237h&link_type=abstract

Advances in Space Research, Volume 18, Issue 6, p. 237-240.

Computer Science

1

Scientific paper

We report the progress in developing a Low-latitude Ionospheric Tomography Network (LITN) along the 121 degE meridian(Figure 1). LITN consists of an array of NNSS receiving stations covering the latitude range from Manila to Shanghai, and is specifically designed to enable large scale tomographic imaging over the equatorial anomaly region. Recently, we successfully applied computerized tomographic technique to obtain two-dimensional(2D) images of ionospheric electron density using measured TEC data from the network. The reconstruction is based on multiplicative algebraic reconstruction technique using the IRI model as an initial guess. To verify the quality of the reconstruction image, electron density profiles are reproduced from the image and compared with the profiles measured by ionosonde. It will be shown that IRI models can be used to facilitate such reconstruction.

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