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VLF electromagnetic background in the seismoactive area of Northern Vietnam

Truong K.K. Institute of Geophysics, Vietnamese Academy of Sciences, Hanoi, Viet Nam|
Kapustina O.V. | Kharitonov A.L. | Mikhailov Y.M. | Vo T.S. Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, Moscow oblast 142190, Russian Federation|

Geomagnetism and Aeronomy Số 5, năm 2010 (Tập 50, trang 690-694)

ISSN: 167932

ISSN: 167932

DOI: 10.1134/S0016793210050178

Tài liệu thuộc danh mục: Scopus

Article

English

Tóm tắt tiếng anh
The preliminary results of observations of VLF electromagnetic signals (atmospherics) in the mountains of North Vietnam (Dien Bien Phu, 21°23′50″ N, 103°0′28″ E) are presented. Primarily, signals of typical atmospherics with a maximum in the frequency range of 4-9 kHz were observed; sometimes they were accompanied by so-called "tails" at frequencies less than 1 kHz, and also tweeks of usually short duration (about 10 ms) were observed. Several parameters of the ionosphere, as well as the distance to sources of atmospherics (in accordance to the data of the World Wide Lightning Location Network (TOGA)), were estimated by spectral-temporal characteristics of tweeks. © 2010 Pleiades Publishing, Ltd.

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