Search Results - "Efishov, I. I."

Features of the November 7, 2022 Geomagnetic Storm Development in the Ionospheric Total Electron Content Observations by Shagimuratov, I. I., Klimenko, M. V., Efishov, I. I., Filatov, M. V., Yakimova, G. A.

“…Global observations of the ionospheric total electron content (TEC) are used to analyze the development of a moderate geomagnetic storm on November 7, 2022…”
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Features of the Ionospheric Total Electronic Content Response to the Annular Solar Eclipse of June 21, 2020 by Shagimuratov, I. I., Zakharenkova, I. E., Tepenitsyna, N. Yu, Yakimova, G. A., Efishov, I. I.

“…The features of the annular solar eclipse of June 21, 2020, in variations of the ionospheric total electron content (TEC) were analyzed using GPS observations…”
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Seasonal Features of the Phase Fluctuations of Navigation Signals and Positioning Errors in the Auroral and Polar Ionosphere by Shagimuratiov, I. I., Filatov, M. V., Efishov, I. I., Tepenitsyna, N. Yu, Yakimova, G. A.

“…A statistical study is performed of the phase fluctuations of GPS signals and positioning errors at Ny-Ålesund (78.9° N, 11.9° E) and Tromsø (69.60° N, 19.20°…”
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Coupling of Ionospheric Disturbances with Dynamic Processes in the Troposphere by Golubkov, G. V., Adamson, S. O., Borchevkina, O. P., Wang, P. K., Dyakov, Y. A., Efishov, I. I., Karpov, I. V., Kurdyaeva, Y. A., Lukhovitskaya, E. E., Olkhov, O. A., Tepenitsina, N. Y., Umanskii, S. Y., Shagimuratov, I. I., Shapovalov, V. L., Yakimova, G. A., Golubkov, M. G.

“…Determination of the physical mechanisms of energy transfer from tropospheric disturbances to the ionosphere is one of the fundamental problems of atmospheric…”
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Fluctuations of Navigation Signals and Positioning Errors over Europe in March 2015 by Shagimuratiov, I. I., Filatov, M. V., Efishov, I. I., Tepenitsyna, N. Yu, Yakimova, G. A.

“…Absract —We present joint analysis of fluctuations in navigation signals, positioning errors, and their relationship to auroral disturbances occurred in March…”
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Ionospheric Effects of Solar Flares in September 2017 and an Evaluation of Their Influence on Errors in Navigation Measurements by Shagimuratov, I. I., Zakharenkova, I. E., Tepenitsina, N. Yu, Yakimova, G. A., Efishov, I. I.

“…The manifestation of the most powerful flares of class X9.3 and X8.2 recorded on September 6 and 10, 2017, respectively, in the total electronic content (TEC)…”
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Fluctuations in the Total Electron Content and Errors in GPS Positioning Caused by Polar Auroras during the Auroral Disturbance of September 27, 2019 by Shagimuratov, I. I., Filatov, M. V., Efishov, I. I., Zakharenkova, I. E., Tepenitsyna, N. Yu

“…An analysis is performed of fluctuations in navigation signals in the Arctic due to the auroral disturbance of September 27, 2019. Anomalous 3D positioning…”
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Effects of the Solar Eclipse of March 20, 2015 on the Total Electron Content over Europe by Shagimuratov, I. I., Yakimova, G. A., Tepenitsyna, N. Yu, Efishov, I. I., Koltunenko, L. M.

“…The effect of the solar eclipse of March 20, 2015 on variations of the total electron content (TEC) in the ionosphere over Europe is analyzed based on…”
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Auroral Perturbations as an Indicator of Ionosphere Impact on Navigation Signals by Chernous, S. A., Shagimuratov, I. I., Ievenko, I. B., Filatov, M. V., Efishov, I. I., Shvets, M. V., Kalitenkov, N. V.

“…A comparative analysis of total electron content (TEC) fluctuations and auroral activity, which characterizes the polar ionosphere during periods of substorm…”
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Complex of Radiophysical, Geomagnetic, and Meteorological Observations (IZMIRAN), Kaliningrad Branch by Borchevkina, O. P., Korenkova, N. A., Leshchenko, V. S., Klimenko, M. V., Karpov, I. V., Radievskii, A. V., Bessarab, F. S., Vlasov, V. I., Kotova, D. S., Nosikov, I. A., Karpov, M. I., Lisina, V. L., Shagimuratov, I. I., Efishov, I. I., Yakimova, G. A.

“…Since 1964, the Kaliningrad branch of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences (IZMIRAN)…”
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Use of GLONASS for studying the ionosphere by Shagimuratov, I. I., Chernyak, Yu. V., Zakharenkova, I. E., Tepenitsyna, N. Yu, Radievskii, A. V., Efishov, I. I., Yakimova, G. A.

“…Results of using the Russian Global Navigation Satellite System (GLONASS) to measure absolute values of the ionosphere’s total electron content (TEC) are…”
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The observations of ionospheric fluctuations at midlatitudes during November 2004 magnetic storm by Shagimuratov, I. I., Cherniak, Iu V., Zakharenkova, I. E., Efishov, I. I.

“…The midlatitude fluctuations are rather weakly relative to high latitude ones. The most intensive midlatitude TEC fluctuations are related with irregularities…”
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Occurrence of GPS Phase Fluctuations in Northern and Southern Hemisphere by Shagimuratov, I., Krankowski, A., Efishov, I., Zakharenkova, I., Tepenitsyna, N.

“…In paper presented analysis of storm-time occurrence of GPS phase fluctuations in high latitude ionosphere for the southern and northern hemisphere…”
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Monitoring of phase fluctuations of GPS signals in polar ionosphere by Shagimuratov, I., Efishov, I., Krankowski, A., Zakharenkova, I., Yakimova, G.

“…Dual frequency measurements of differential carrier phase of GPS L1 (fl=1.6 GHz) and L2(f2=1.2 GHz) signals have been used to study the storm-time development…”
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Occurrence of Phase Fluctuations of GPS Signals in the High Latitude Ionosphere During Geomagnetic Storms by Shagimuratov, I.I., Efishov, I.I., Zakharenkova, I.E., Tepenitsina, N.Yu

“…Dual-frequency measurements of the differential carrier phase of GPS L 1 (f 1 ,= 1.575 GHz) and L 2 (f 2 = 1.228 GHz) signals have been used to study the…”
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