Multi-point detection of the elf transient caused by the gamma flare of december 27, 2004

Nickolaenko, A. P. and Schekotov, A. Yu and Hayakawa, M. and Hobara, Y. and Sátori, Gabriella and Bór, József (2014) Multi-point detection of the elf transient caused by the gamma flare of december 27, 2004. RADIOPHYSICS AND QUANTUM ELECTRONICS, 57 (2). pp. 125-140. ISSN 0033-8443

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Abstract

We present the experimental records of the radio pulse related to the gamma burst that took place on December 27, 2004. The records, which are synchronized by GPS time marks, were obtained in the observatories at Moshiri and Onagawa (Japan), Esrange (Sweden), Karimshino (Kamchatka, Russia), Nagycenk (Hungary), and Hornsund (Polish Polar Station Spitzbergen). The data demonstrate exceptional similarity and contain characteristic pulses that correspond to the time of gamma-ray arrival. Processing of the signals shows that along with the time match, the following modeling predictions are confirmed: radio pulses contain a signal at the main frequency of the Schumann resonance, the field source has positive polarity (the current is directed from the ionosphere towards the Earth), the polarization of the horizontal magnetic field of the radio wave is almost linear, and the directions towards the source indicate the epicenter of the gamma-quanta flux collision with the ionosphere. These properties correspond to the concept of the parametric electromagnetic pulse that is produced due to a significant change in the current in the global electric circuit, which is caused by a cosmic gamma-ray flare. © 2014 Springer Science+Business Media New York.

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