Effectiveness of predicting radiowave propagation in the ionosphere based on the IRI-2001 ionospheric model

The standard deviation of predicting radiowave propagation using the IRI-2001 model is estimated based on the data of oblique-incidence sounding on the England-IZMIRAN (∼2500 km) and Cyprus-IZMIRAN (∼2300 km) practically perpendicular paths and vertical radiosounding of the ionosphere at the common...

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Bibliographic Details
Published in:Geomagnetism and Aeronomy 2008-08, Vol.48 (4), p.504-510
Main Authors: Krasheninnikov, I. V., Egorov, I. B., Pavlova, N. M.
Format: Article
Language:English
Subjects:
Aeronomy
Astrophysics
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Ionosphere
Solar activity
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Summary:The standard deviation of predicting radiowave propagation using the IRI-2001 model is estimated based on the data of oblique-incidence sounding on the England-IZMIRAN (∼2500 km) and Cyprus-IZMIRAN (∼2300 km) practically perpendicular paths and vertical radiosounding of the ionosphere at the common point (IZMIRAN) during the period March 2002–2007. The observational period covers a wide range of solar activity values: the sunspot number R varied from 112 at a maximum (2002) to 4.8 at a minimum (2007). The results of an analysis of the complex experimental data, which agree with their description by the IRI-2001 model, completed with the calculations of the electron collision frequency, are presented.
ISSN:0016-7932
1555-645X
0016-7940
DOI:10.1134/S0016793208040117