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    • The ionospheric absorption at Gauhati

      M Devi A K Barbara

      Atmospheric Physics Volume 8 Issue 3 March 1977 pp 223-228

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/008/03/0223-0228

    • Keywords

       

      Calibration constant; reflection coefficient; single and multiple echoes; fading characteristics; sporadicE.

    • Abstract

       

      Some problems encountered in the process of estimation of calibration constantI0h0 have been discussed. The discrepancies observed in theI0h0 value determined by different methods were found to be mostly due to focussing. The difference observed between noontime values of absorption measured from different order echoes could be removed by a correction factor found after Piggot. But in certain cases the discrepancy in the reflection characteristics of single and multiple echoes were such that this correction factor did not give a consistent value. Such changes might be linked with sporadicE.

    • Author Affiliations

       

      M Devi1 A K Barbara1

      1. Department of Physics, Gauhati University, Gauhati - 781014

    • Dates

       
      Published
      March 1977
      Manuscript received
      27 August 1976
      Manuscript revised
      17 November 1976

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