Ionospheric perturbations related to the earthquake in Vrancea area on November 22, 2014, as detected by electromagnetic VLF/LF frequency signals by Maria Solovieva, Alexander Rozhnoi, Viktor Fedun, Konrad Schwingenschuh, Masashi Hayakawa

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Low frequency signal spectrum analysis for strong earthquakes by Masashi Hayakawa, Konrad Schwingenschuh, Pier Francesco Biagi, Maria Solovieva, Alexander Rozhnoi

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Ionospheric turbulence from ground-based and satellite VLF/LF transmitter signal observations for the Simushir earthquake (November 15, 2006) by Pier Francesco Biagi, Masashi Hayakawa, Michel Parrot, Maria Solovieva, Alexander Rozhnoi, Konrad Schwingenschuh

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Neural network approach to the prediction of seismic events based on low-frequency signal monitoring of the Kuril-Kamchatka and Japanese regions by Irina Popova, Alexander Rozhnoi, Maria Solovieva, Boris Levin, Masashi Hayakawa, Yasuhide Hobara, Pier Francesco Biagi, Konrad Schwingenschuh

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Effects of solar and geomagnetic activities on the sub-ionospheric very low frequency transmitter signals received by the DEMETER micro-satellite by Günter Stangl, Bruno Besser, Patrick H.M. Galopeau, Michel Parrot, Emad Al-Haddad, Konrad Schwingenschuh, Mohammed Yahia Boudjada, Wolfgang Voller

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Satellite Measured Ionospheric Magnetic Field Variations over Natural Hazards Sites by Christoph Schirninger, Hans U. Eichelberger, Werner Magnes, Mohammed Y. Boudjada, Konrad Schwingenschuh, Andreas Pollinger, Bruno P. Besser, Pier F. Biagi, Maria Solovieva, Jindong Wang, Bingjun Cheng, Bin Zhou, Xuhui Shen, Magda Delva, Roland Lammegger

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