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diff --git a/2409/CH4/EX4.1/Ex4_1.sce b/2409/CH4/EX4.1/Ex4_1.sce
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+
+//Variable Declaration
+
+El=50  //Elevation Angle(degrees)
+h0=0.6 //Earth station altitude(km)
+hr=3   //Rain height(km)
+R01=10 //Point Rain Rate(mm/hr)
+f=12   //frequency(GHz)
+ah=0.0188
+bh=1.217
+av=0.0168
+bv=1.2
+
+//Calculation
+Ls=(hr-h0)/sin(El*3.142/180) //Slant path length(km)
+LG=Ls*cos(El*3.142/180)      //Horizontal projection(km)
+r01=90/(90+4*LG)      //Reduction factor
+L=Ls*r01              //Effective path length(km)
+alphah=ah*R01**bh     //Specific Attenuation
+AdBh=alphah*L         //Rain Attenuation for horizontal polarization
+alphav=av*R01**bv       //Specific Attenuation
+AdBv= alphav*L          //Rain Attenuation for vertical polarization
+
+//Results
+printf("Rain Attenuation for given conditions and horizontal polarization is %.2f dB",AdBh)
+
+printf("Rain Attenuation for given conditions and vertical polarization is %.2f dB",AdBv)
+