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Radio Science

Signal statistics of equatorial nighttime ionospheric scintillations

Authors

  • C. Raghava Reddi,

  • K. Krishna Moorthy,

  • B. V. Krishna Murthy


Abstract

Cumulative probability distribution functions of equatorial nighttime ionospheric scintillations are studied and are found to agree well with the Nakagami m distribution. Relationship between percentage occurrence of scintillations and S4 index has been established on a monthly mean basis, facilitating the conversion of the scintillation data in analog form to fade margin data useful in transionospheric VHF communication systems design.

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