Abstract
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.
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References
N. A. Barkhatov, S. E. Revunov, G. G. Vertogradov, et al., “Prediction of the Maximum Observed Frequency of the Ionospheric HF Radio Channel Using the Method of Artificial Neuron Networks,” Geomagn. Aeron. 46(1), 88–98 (2006) [Geomagn. Aeron. 46, 84–93 (2006)].
D. Bilitsa, “International Reference Ionosphere 2000,” Radio Sci. 36(2), 261–275 (2001).
B. E. Bryunelli and A. A. Namgaladze, Physics of the Ionosphere (Nauka, Moscow, 1988) [in Russian].
Yu. K. Chasovitin, A. V. Shirochkov, et al., “Global Empirical Model of Distribution of Electron Density, Temperature, and Effective Collision Frequency of Electrons in the Ionosphere,” Ionos. Studies, No. 44, 6–13 (1988).
V. A. Ivanov, V. I. Kurkin, V. E. Nosov, et al., “LFM Ionosonde and Its Application in Ionospheric Studies,” Izv. Vyssh. Uchebn. Zaved., Radiofiz. 46(11), 919–252 (2003).
L. Jiuhou, L. Libo, W. Weixing, and Z. Shun-Rong, “Variations of Electron Density Based on Long-Term Incoherent Scatter Radar and Ionosonde Measurements over Millstone Hill,” Radio Sci. 40, RS2008 (2005).
E. V. Kononovich, N. N. Shefov, and M. N. Khramova, “Approximation of Relationships between Solar Activity Indices: Sunspot Wolf Numbers and Radio Emission Flux at a 10.7-cm Wavelength,” Geomagn. Aeron. 42(4), 455–459 (2002) [Geomagn. Aeron. 42, 430–431 (2002)].
I. V. Krasheninnikov, I. B. Egorov, O. P. Kolomiitsev, and Yu. N. Cherkashin, “Errors in Predicting the Ion-ospheric Radiowave Propagation Based on the Global Ionospheric Model,” Geomagn. Aeron. 44(2), 221–226 (2004) [Geomagn. Aeron. 44, 199–204 (2004)].
Yu. A. Kravtsov and Yu. I. Orlov, Geometrical Optics of Inhomogeneous Media (Nauka, Moscow, 1980) [in Russian].
R. M. Kubova, “Method for Correcting Prediction Based on Measurements at Isolated Spatial Points,” in Prediction of the Ionosphere and Radio Propagation Conditions (Nauka, Moscow, 1985), pp. 65–67 [in Russian].
O. A. Maltseva, O. S. Poltavsky, and A. S. Shlyupkin, “The Model IRI Residual Difference and the New Method of N(H)-Profile Determination,” Acta Geophys. 55(3), 28–41 (2007).
K. Rawer and D. Bilitza, “International Reference Ionosphere-Plasma Densities: Status 1988,” Adv. Space Res. 10(8), 1990.
J. E. Titheridge, “The Real Height of Ionograms: A Generalized Formulating,” Radio Sci. 23(5), 831–849 (1988).
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Original Russian Text © I.V. Krasheninnikov, I.B. Egorov, N.M. Pavlova, 2008, published in Geomagnetizm i Aeronomiya, 2008, Vol. 48, No. 4, pp. 526–533.
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Krasheninnikov, I.V., Egorov, I.B. & Pavlova, N.M. Effectiveness of predicting radiowave propagation in the ionosphere based on the IRI-2001 ionospheric model. Geomagn. Aeron. 48, 504–510 (2008). https://doi.org/10.1134/S0016793208040117
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DOI: https://doi.org/10.1134/S0016793208040117