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//Chapter 25: Sky Wave Propagation
//Example 25-5.3
clc;
//Variable Initialization
N_E = 0.8*0.111e12 //Concentration of electrons in E layer (per cubic cm)
N_F1 = 0.8*0.3086e12 //Concentration of electrons in E layer (per cubic cm)
N_F2 = 0.8*1e12 //Concentration of electrons in E layer (per cubic cm)
//Calculations
fE = 9*sqrt(N_E) //Critical frequency in E layer (Hz)
fF1 = 9*sqrt(N_F1) //Critical frequency in F1 layer (Hz)
fF2 = 9*sqrt(N_F2) //Critical frequency in F2 layer (Hz)
//Result
disp(fE,"The Critical frequency in E layer in Hz")
disp(fF1,"The Critical frequency in F1 layer in Hz")
disp(fF2,"The Critical frequency in F2 layer in Hz")
//The difference appearing for fE,fF1 is a result of approximation
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