Studies on the Effects of 2009 Leonid Meteor Shower on Subionospheric Transmitted VLF Signals and Vertical Electric Potential Gradient


The effects of 2009 Leonid Meteor Shower upon the two VLF subionospheric transmitted signals and vertical electric potential gradient from the ground surface have been studied from Kolkata (Lat: 22.56°N, Long: 88.5°E) on November 17, 2009. The received signals showed their peak values when ZHR (Zenithal Hourly Rate) was highest. Some typical variations in the outcome of these measurements during the meteor showers will be presented in this paper.

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The authors acknowledge with thanks the financial support from Indian Space Research Organization (ISRO) through S K Mitra Centre for Research in Space Environment, University of Calcutta, Kolkata, India for carrying out the study. The authors are also thankful to the respected reviewer for his critical comments and valuable suggestions that helped a lot to improve the revised version.

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De, S.S., Bandyopadhyay, B., Barui, S. et al. Studies on the Effects of 2009 Leonid Meteor Shower on Subionospheric Transmitted VLF Signals and Vertical Electric Potential Gradient. Earth Moon Planets 108, 111–121 (2012).

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  • Leonid meteor shower
  • Zenithal Hourly Rate
  • VLF transmitted signals