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Title: An Approximate Method for Separating D- & E-Region Contributions to Total Ionospheric Absorption of 2·4 MHz Pulsed Radio Transmissions at Vertical Incidence
Authors: Rao, D N Madhusudhana
Ramana, K V V
Issue Date: Sep-1977
Publisher: NISCAIR-CSIR, India
Abstract: A method of separation of D- and E-region contributions to the total absorption using Jaeger's formulae is discussed. The total absorption of radio waves reflected from E-layer is interpreted as' arising due to a three-tier model electron density, viz. a Chapman type E-layer, a Chapman type upper D-layer and a constant electron density in the lower D-region represented by
LT = D + B cos nE + C cos nD where the exponents nE and nD (cos indices for E- and D-region absorptions) have values of 0.87 and 1.0 respectively. These experimental results are explained successfully using Jaeger's theory of ionospheric absorption of radio waves.
Page(s): 197-201
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.06(3) [September 1977]

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