Further tests of the IRI and DGR model ionospheres

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K. J. Kecic
P. A. Bradley
L. R. Cander
M. I. Dick
B. Zolesi


The present study discusses and compares the IRI and DGR ionospheric models using N(h) profiles obtained during a high solar activity period at South Uist ionosonde station. After inversion, N(h) profiles obtained from ionograms at South Uist have been compared with those derived from the IRI-90 and DGR ionospheric models. A small data set has been selected such that both geomagnetically quiet and disturbed conditions are represented. The importance of further comparisons with additional sets of N(h) profiles under different solar-geophysical conditions and at more stations has been recognized.

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How to Cite
Kecic, K. J., Bradley, P. A., Cander, L. R., Dick, M. I. and Zolesi, B. (1994) “Further tests of the IRI and DGR model ionospheres”, Annals of Geophysics, 37(2). doi: 10.4401/ag-4229.

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