Articles | Volume 5, issue 1
https://doi.org/10.5194/gi-5-263-2016
https://doi.org/10.5194/gi-5-263-2016
Research article
 | 
01 Jul 2016
Research article |  | 01 Jul 2016

Sodankylä ionospheric tomography data set 2003–2014

Johannes Norberg, Lassi Roininen, Antti Kero, Tero Raita, Thomas Ulich, Markku Markkanen, Liisa Juusola, and Kirsti Kauristie

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Short summary
The Sodankylä Geophysical Observatory has been producing ionospheric tomography data since 2003. Based on these data, one solar cycle of ionospheric vertical total electron content (VTEC) estimates is constructed. The measurements are compared against the IRI-2012 model, F10.7 solar flux index and sunspot number data. Qualitatively the tomographic VTEC estimate corresponds to reference data very well, but the IRI-2012 model are on average 40 % higher of that of the tomographic results.