Numerical Simulation of the Influence of the may 2–3, 2010 Geomagnetic Storm on HF Radio-Wave Propagation in the Ionosphere

Abstract

This study is devoted to HF radio wave propagation in the ionosphere during the May 1-3, 2010 geomagnetic storm. The research results were obtained by using two models, namely, the GSM TIP environment model developed at WD IZMIRAN and the radio-wave propagation model developed at I. Kant BFU. For certain selected frequencies we show the effect of the geomagnetic storm on the radio wave propagation. We give examples of a HF radio-wave path in the channels between the F 1 and F 2 layers of a high-latitude ionosphere and the F 2 and F 3 layers of a lowlatitude ionosphere. Characteristics of these layers may significantly affect the interpretation of the oblique sounding ionograms.

Influence of January 2009 stratospheric warming on HF radio wave propagation in the low-latitude ionosphere

“…Besides, we set an additional electric potential so as to reproduce the zonal electric field at the geomagnetic equator, which causes the vertical electromag- This study relies on the previously developed consistent algorithm for numerical calculations of radio paths with the aid of models of medium and radio wave propagation (RWP). This algorithm is described in [Kotova et al, 2014, where it is exploited to examine the effect of geomagnetic storms on HF radio wave propagation. This algorithm interpolates ionospheric and thermospheric parameters at heights from 80 to 800 km in the 3D spatial grid of the GSM TIP into nodes of calculated ray paths in the numerical model of HF radio wave propagation.…”

Modeling the HF Ray Trajectories and Vertical and Oblique Ionograms in the Artificially Disturbed Ionosphere Based on Radiotomographic Data

“…The Russian system of forecasting HF radio wave propagation also uses the SMI-88 model [17]. Recently, the GSM TIP model [18,19] began to be used for these purposes. In this case, the main problem consists in the fact that even the most adequate models insufficiently accurately describe the structural features of the ionosphere even under quiet geomagnetic conditions.…”