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    • Keywords


      Quasi-periodic pulsing hiss; VLF hiss; waveguide mode.

    • Abstract


      This paper reports quasi-periodic pulsing hiss emissions recorded during daytime in the frequency range of 50 Hz –15 kHz at low latitude station Jammu (geomag.lat.=22° 26′N; 𝐿 =1.17). It is noted that pulsing VLF emissions are a rare phenomena at low latitudes.The various spectrograms of pulsing VLF hiss emissions presented in this paper clearly show band limited spectrums regularly pulsing with almost equal period of the order of few seconds in the frequency range of ∼3-8 kHz. Generation and propagation mechanism of these emissions are briefly discussed.

    • Author Affiliations


      K K Singh1 J Singh2 R P Patel3 A K Singh1 R P Singh4 Rejesh Singh5 P A Ganai6

      1. Atmospheric Research Laboratory, Department of Physics, Banaras Hindu University, Varanasi 221 005, India.
      2. Department of Physics, G.G.M. Science College, Canal Road, Jammu 180 002, India.
      3. Department of Physics, M.M.H.P.G. College, Ghaziabad, India.
      4. V.K.S. University, Ara 802 301, Bihar, India.
      5. Indian Institute of Geomagnetism, New Panvel, Navi Mumbai 410 218, India.
      6. Department of Physics, National Institute of Technology, Srinagar 190 006, Kashmir, India.
    • Dates

  • Journal of Earth System Science | News

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      Posted on July 25, 2019

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