Interpretation of experimental data on HF propagation on the St. Petersburg-Spitsbergen path |
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Authors: | M Yu Andreev D V Blagoveshchensky V M Vystavnoi V S Mingalev G I Mingaleva |
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Institution: | (1) Polar Geophysical Institute, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184209, Russia;(2) St. Petersburg State University of Aerospace Instrumentation, ul. Bolshaya Morskaya 67, St. Petersburg, Russia;(3) Arctic and Antarctic Research Institute, ul. Beringa 38, St. Petersburg, 199397, Russia |
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Abstract: | The experimental ionograms of the oblique-incidence sounding of the ionosphere, obtained on the St. Petersburg-Spitsbergen high-latitude HF radio path during the magnetically quiet period December 14–15, 2001, are compared with the model calculations of radiowave trajectories. For this purpose, the corresponding oblique-incidence ionograms are numerically synthesized using the technique based on the shooting method and the computer program for constructing HF radiowave trajectories. The three-dimensional electron density distribution, calculated using the mathematical model of the high-latitude ionosphere previously developed at the Polar Geophysical Institute (PGI), is used to model radio propagation. The numerical calculations make it possible mainly to explain the specific features of the experimental data on the oblique-incidence sounding of the ionosphere. |
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