VLF station signals and radio noise intensity variations depending on solar activity registrated in Yakutsk during 2009-2014

Alexey A. Korsakov; Vladimir I. Kozlov; Viktor A. Mullayarov; Rustam R. Karimov; Lena D. Tarabukina; Viktor P. Mel'chinov

doi:10.1117/12.2204855

19 November 2015 VLF station signals and radio noise intensity variations depending on solar activity registrated in Yakutsk during 2009-2014

Alexey A. Korsakov, Vladimir I. Kozlov, Viktor A. Mullayarov, Rustam R. Karimov, Lena D. Tarabukina, Viktor P. Mel'chinov

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Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96805I (2015) https://doi.org/10.1117/12.2204855
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

Diurnal variations of radio noise intensity (14.88 kHz) registered in Yakutsk in June 2009-2014 is 10 dB, March - 9 dB, September - 8.7 dB, December - 7.3 dB. Diurnal variations of intensity of radio station VLF signals, radio noise intensity and the number of lightning discharges in Yakutsk are compared. VLF noise variations in summer 5-10 UT defined local thunderstorm activity. The period 11-20 UT for receiving radio noise defined distant thunderstorm cells in Western Siberia, the territory between Hinggan, Buretsky and Stanovoy mountaines. Radio signals from these areas propagate in similar paths like signals Novosibirsk and Khabarovsk navaid stations. The attenuation variations from a solar activity minimum to the maximum are estimated. Taking into account the changes of propagation attenuation of 1.2 dB (signal Khabarovsk) from a minimum to a maximum of solar activity in July, the power of VLF radio noise at a minimum on 7.6 dB greater than at solar activity maximum.

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Alexey A. Korsakov, Vladimir I. Kozlov, Viktor A. Mullayarov, Rustam R. Karimov, Lena D. Tarabukina, and Viktor P. Mel'chinov "VLF station signals and radio noise intensity variations depending on solar activity registrated in Yakutsk during 2009-2014", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96805I (19 November 2015); https://doi.org/10.1117/12.2204855

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