Fig. 4
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Reflection coefficients at 17.45 MHz as a function of trail radius showing resonance signatures for a parabolic plasma density, which are extreme cases not found in the observations. Upper panel: meteor close to the overdense regime with an electron line density of q = 9 × 1013e−∕m. Lower panel:overdense echo with an electron line density of q = 9 × 1014e−∕m.
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