Oblique Chirp Sounding and Prediction of the Maximum Usable Frequency on the Middle- and Long-Distance Paths von Vertogradov, G. G., Vertogradov, V. G.

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The investigation of ionospheric response to total eclipses on 29th March, 2006 and on 20th March, 2015 based on HF oblique sounding data von Vertogradov, G.G., Vertogradova, E.G.

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Impact of heliogeophysical disturbances on ionospheric HF channels von Uryadov, V.P., Vybornov, F.I., Kolchev, A.A., Vertogradov, G.G., Sklyarevsky, M.S., Egoshin, I.A., Shumaev, V.V., Chernov, A.G.

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Chirp Ionosonde–Radiodirection Finder as a New Tool for Studying the Ionosphere and Radio-Wave Propagation von Vertogradov, G. G., Uryadov, V. P., Vertogradova, E. G., Vertogradov, V. G., Kubatko, S. V.

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Drift Velocity of Small-Scale Artificial Ionospheric Irregularities According to a Multifrequency HF Doppler Radar. II. Observation and Modeling Results von Vertogradov, G. G., Uryadov, V. P., Vertogradov, V. G., Vertogradova, E. G., Kubatko, S. V.

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Drift Velocity of Small-Scale Artificial Ionospheric Irregularities According to Multifrequency HF Doppler Radar. I. Method of Calculation and Its Hardware Implementation von Vertogradov, G. G., Uryadov, V. P., Vertogradov, V. G., Vertogradova, E. G., Kubatko, S. V.

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Positioning of Ionospheric Irregularities and the Earth’s Surface Roughness Using an Over-the-Horizon HF Radar von Uryadov, V. P., Vertogradov, G. G., Sklyarevsky, M. S., Vybornov, F. I.

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Single-Station Location of Radio Emission Sources in the Decameter Wavelength Range Using a Wide-Aperture Direction Finder and a Chirp Ionosonde–Radio Direction Finder von Vertogradov, G. G., Uryadov, V. P., Chaika, E. G., Valov, V. A., Vybornov, F. I., Pershin, A. V., Starodubrovsky, A. S.

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Generation of Artificial Ionospheric Irregularities in the Midlatitude Ionosphere Modified by High-Power High-Frequency X-Mode Radio Waves von Frolov, V. L., Bolotin, I. A., Komrakov, G. P., Pershin, A. V., Vertogradov, G. G., Vertogradov, V. G., Vertogradova, E. G., Kunitsyn, V. E., Padokhin, A. M., Kurbatov, G. A., Akchurin, A. D., Zykov, E. Yu

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Ionospheric Effects of the X-Ray Flares of September 24, 2011 According to Oblique Sounding Data von G.Vertogradov, G., G.Vertogradova, E., Uryadov, V.P.

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Features of Superlong-Distance and Round-the-World Propagation of HF Waves von Ponyatov, A. A., Vertogradov, G. G., Uryadov, V. P., Vertogradova, E. G., Shumaev, V. V., Chernov, A. G., Chaika, E. G.

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Results of integrated studies of the perturbed ionosphere region using short-wave ranging in a wide frequency band and stimulated electromagnetic emission of the ionosphere von Sergeev, E. N., Zykov, E. Yu, Akchurin, A. D., Nasyrov, I. A., Vertogradov, G. G., Vertogradov, V. G., Kim, V. Yu, Polimatidi, V. P., Grach, S. M.

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Influence of an inhomogeneous structure of the high-latitude ionosphere on the long-distance propagation of high-frequency radio waves von Uryadov, V.P., G.Vertogradov, G., G.Vertogradova, E.

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Spread-F Radar Observations in the Midlatitude Ionosphere Using an Ionosonde–Radiodirection Finder von Uryadov, V.P., G.Vertogradov, G., G.Vertogradova, E.

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Cluster structure of artificial ionospheric turbulence according to the data of the radar measurements by the radio-direction finder ionosonde von Vertogradov, G. G., Vertogradova, E. G., Uryadov, V. P., Vertogradov, V. G., Komrakov, G. P., Krasheninnikov, I. V., Cherkashin, Yu. N., Valov, V. A., Bredikhin, D. V., Makarov, A. V.

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Consistent quasi-periodic variations of the geomagnetic pulsation level and Doppler frequency shift of decametric radio waves aspect-scattered by artificial field-aligned von Chernogor, L.F, Vertogradov, G.G, Uryadov, V.P, Vertogradova, E.G, Shamota, M.A

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Gyroharmonic features of the hf-induced ionospheric irregularities von Frolov, V. L., Bolotin, I. A., Komrakov, G.P., G.Vertogradov, G., Vertogradov, V. G., Vertogradova, E. G., Akchurin, A. D., Bochkarev, V. V., Dresher, A. M., Zykov, E. Yu, Katypov, R. R., Petrova, I. R., Yusupov, K. M., Kunitsyn, V. E., Padokhin, A. M., Kurbatov, G. A.

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Ultralong-range sounding of the ionospheric HF channel using an ionosonde/direction finder with chirp modulation of the signal von G.Vertogradov, G., Uryadov, V. P., Vertogradova, E. G., Ponyatov, A. A.

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Oblique Sounding and Modeling of the Ionospheric HF Channel von Vertogradov, G.G., Uryadov, V.P., Vertogradov, V.G.

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METHOD FOR DETECTION AND DETERMINATION OF TWO- DIMENSIONAL BEARING AND FREQUENCY OF RADIO EMISSION SOURCES von SHEVCHENKO V.N, EMEL'JANOV G.S, VERTOGRADOV G.G

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