Investigation of over-horizon VHF radio signals associated with earthquakes

@inproceedings{Fukumoto2001InvestigationOO,
  title={Investigation of over-horizon VHF radio signals associated with earthquakes},
  author={Yasuhiko Fukumoto and Masashi Hayakawa and Hiroaki Yasuda},
  year={2001}
}
Abstract. This paper presents the preliminary results on the possible reception of over-horizon VHF radio signals from a FM (frequency modulation) transmitter during abnormal situations (probably in close association with earthquakes). The transmitter is FM Sendai (frequency = 77.1 MHz) and the receiving station is our university (UEC) at Chofu, Tokyo, with the transmitter-receiver distance being about 310 km. We first show a typical example of the reception of over-horizon VHF signals in which… CONTINUE READING

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