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Fig. 2 | SpringerPlus

Fig. 2

From: Vertical profile of atmospheric conductivity that matches Schumann resonance observations

Fig. 2

Dispersion curves (Panel a, real part and Panel b, imaginary part). a Frequency variations of the real part of the propagation constant: Lines 1–3 show correspondingly the Re[ν (f)] functions for the reference model (Ishaq and Jones 1977), for the classical profile (Cole and Pierce 1965), and for the conductivity profile suggested in this paper. b The imaginary part of the propagation constant: line 4 is the model (Ishaq and Jones 1977), line 5 is the classic profile (Cole and Pierce 1965), and line 6 is our profile

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