Response function a corona with ﹩p=1﹩ and ﹩r_{1}=6.35\times 10^{-3}\ \mathrm{lt}\,- \mathrm{s}\,=1.9\times 10^{8}﹩ cm, ﹩r_{2}=6.24\ \mathrm{lt}\,- \mathrm{s}\,=1.87\times 10^{11}﹩ cm, ﹩T_{e}=100﹩ keV, ﹩\tau _{0}=1﹩, and ﹩n_{1}=10^{15}﹩ cm⁻³ (long‐dashed curve) along with its fit by eq. (4) with ﹩\alpha =0.4﹩, ﹩\gamma =1.5﹩, ﹩\beta =10﹩ s, ﹩t_{0}=0.02﹩ s, ﹩b=1﹩ (solid curve), and the corresponding power spectrum (short‐dashed curve).